List of land borders by date of establishment
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This list of land borders with date of establishment identifies the historical year in which borders were established between countries.


Europe


Albania–Greece

**1913/1914 after Greek withdrawal due to international diplomatic pressure.


Albania–Montenegro

*
Shkodër Shkodër ( , ; sq-definite, Shkodra) is the fifth-most-populous city of the Republic of Albania and the seat of Shkodër County and Shkodër Municipality. The city sprawls across the Plain of Mbishkodra between the southern part of Lake Shko ...
-
Berane Berane ( cyrl, Беране) is one of the largest towns of northeastern Montenegro and a former administrative centre of the Ivangrad District. The town is located on the Lim river. From 1949 to 1992, it was named Ivangrad ( cyrl, Иванг ...
**1913 at the Treaty of London ending the
Balkan Wars The Balkan Wars refers to a series of two conflicts that took place in the Balkan States in 1912 and 1913. In the First Balkan War, the four Balkan States of Greece, Serbia, Montenegro and Bulgaria declared war upon the Ottoman Empire and def ...
. *From
Shkodër Shkodër ( , ; sq-definite, Shkodra) is the fifth-most-populous city of the Republic of Albania and the seat of Shkodër County and Shkodër Municipality. The city sprawls across the Plain of Mbishkodra between the southern part of Lake Shko ...
-
Podgorica Podgorica (Cyrillic: Подгорица, ; lit. 'under the hill') is the capital and largest city of Montenegro. The city was formerly known as Titograd (Cyrillic: Титоград, ) between 1946 and 1992—in the period that Montenegro form ...
to
Shkodër Shkodër ( , ; sq-definite, Shkodra) is the fifth-most-populous city of the Republic of Albania and the seat of Shkodër County and Shkodër Municipality. The city sprawls across the Plain of Mbishkodra between the southern part of Lake Shko ...
- Ulcinj **1878 at the Treaty of Berlin, border between Montenegro and the
Ottoman Empire The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University ...
. **1913 at the Treaty of London


Albania–North Macedonia

**1913 at the Treaty of London, border between Albania and Serbia. **1991 Independence for the Republic of Macedonia.


Albania–Serbia

**1913 at the Treaty of London.


Andorra–France

**985 France doesn't help
Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within c ...
versus the
Saracen upright 1.5, Late 15th-century German woodcut depicting Saracens Saracen ( ) was a term used in the early centuries, both in Greek and Latin writings, to refer to the people who lived in and near what was designated by the Romans as Arabia ...
s, border between France and Barcelona. **1278
Foix Foix (; oc, Fois ; ca, Foix ) is a commune, the former capital of the County of Foix. It is the capital of the department of Ariège as it is the seat of the Préfecture of that department. Foix is located in the Occitanie region of southw ...
gains co-sovereignty over Andorra next to the
bishop of Urgel The Diocese of Urgell is a diocese in Catalonia (Spain) and Andorra in the historical County of Urgell,
.


Andorra–Spain

**1278
Foix Foix (; oc, Fois ; ca, Foix ) is a commune, the former capital of the County of Foix. It is the capital of the department of Ariège as it is the seat of the Préfecture of that department. Foix is located in the Occitanie region of southw ...
gains co-sovereignty over Andorra next to the
Bishop of Urgel The Diocese of Urgell is a diocese in Catalonia (Spain) and Andorra in the historical County of Urgell,
. **1479 Union between Castile and
Aragon Aragon ( , ; Spanish and an, Aragón ; ca, Aragó ) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. In northeastern Spain, the Aragonese autonomous community comprises three provinces (from north to s ...
, the beginning of Spain.


Austria–Czech Republic

**12th/13th century, region settled by
Germans , native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = ...
, border between Austria and
Bohemia Bohemia ( ; cs, Čechy ; ; hsb, Čěska; szl, Czechy) is the westernmost and largest historical region of the Czech Republic. Bohemia can also refer to a wider area consisting of the historical Lands of the Bohemian Crown ruled by the Bohem ...
(Czech Republic).


Austria–Liechtenstein

**1719 Creation of Liechtenstein.


Austria–Switzerland

* Stuben - Scuol **1363 Tyrol becomes Austrian, border between Austria and the
bishopric of Chur The Prince-Bishopric of Chur (german: Hochstift Chur, Fürstbistum Chur, Bistum Chur) was an ecclesiastical principality of the Holy Roman Empire, and had Imperial immediacy. The Prince-Bishopric of Chur controlled contiguous land from the city of ...
. **1497/1498 Grissons allies with Switzerland. * Schruns -
Davos , neighboring_municipalities= Arosa, Bergün/Bravuogn, Klosters-Serneus, Langwies, S-chanf, Susch , twintowns = } Davos (, ; or ; rm, ; archaic it, Tavate) is an Alps, Alpine resort town and a Municipalities of Switzerland, muni ...
**1420 Austria acquires Montafon, border between Austria and
Toggenburg Toggenburg is a region of Switzerland. It corresponds to the upper valley of the river Thur and that of its main tributary, the Necker. Since 1 January 2003, Toggenburg has been a constituency (''Wahlkreis'') of the canton of St. Gallen ( ...
. **1497/1498 Grissons allies with Switzerland. *
Bregenz Bregenz (; gsw, label= Vorarlbergian, Breagaz ) is the capital of Vorarlberg, the westernmost state of Austria. The city lies on the east and southeast shores of Lake Constance, the third-largest freshwater lake in Central Europe, between Switze ...
-
St. Gallen , neighboring_municipalities = Eggersriet, Gaiserwald, Gossau, Herisau (AR), Mörschwil, Speicher (AR), Stein (AR), Teufen (AR), Untereggen, Wittenbach , twintowns = Liberec (Czech Republic) , website = ...
**15th century, Austria becomes the dominant power on the east bank of the
Rhine ), Surselva, Graubünden, Switzerland , source1_coordinates= , source1_elevation = , source2 = Rein Posteriur/Hinterrhein , source2_location = Paradies Glacier, Graubünden, Switzerland , source2_coordinates= , source ...
. **1491 Switzerland takes control of the west bank of the Rhine.


Austria–Slovakia

**976
Babenberg The House of Babenberg was a noble dynasty of Austrian Dukes and Margraves. Originally from Bamberg in the Duchy of Franconia (present-day Bavaria), the Babenbergs ruled the imperial Margraviate of Austria from its creation in 976 AD until its ...
er receive the Eastmark from the Germanic king, border between Austria and Hungary. **1993 Slovakia gains independence from
Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
.


Austria–Hungary

**1919 at the
Treaty of Saint-Germain A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal pers ...
, one of the treaties ending
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
.


Austria–Slovenia

**1919 at the
Treaty of Saint-Germain A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal pers ...
, border between Austria and Yugoslavia. **1991 Slovenian independence.


Austria–Germany

**1871 establishment of the
German Empire The German Empire (),Herbert Tuttle wrote in September 1881 that the term "Reich" does not literally connote an empire as has been commonly assumed by English-speaking people. The term literally denotes an empire – particularly a hereditary ...
, border between
Austria-Hungary Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...
and Germany.


Austria–Italy

*From
Nauders Nauders ( rm, Danuder) is a municipality in the district of Landeck in the Austrian state of Tyrol. Geography The municipal area is situated in a high valley of the Ötztal Alps north of the Alpine crest, at an altitude of . It is located about ...
-
Mals Mals (; it, Malles Venosta ) is a ''comune'' (municipality) in South Tyrol in northern Italy, located about northwest of Bolzano, on the border with Switzerland and Austria. History Coat-of-arms The emblem is party per fess: the upper of gul ...
to
Lienz Lienz (; Southern Bavarian: ''Lianz'') is a medieval town in the Austrian state of Tyrol. It is the administrative centre of the Lienz district, which covers all of East Tyrol. The municipality also includes the cadastral subdivision of '' ...
-
Bruneck Bruneck (; it, Brunico or Ladin: ''Bornech'' or ''Burnech''; la, Branecium or ''Brunopolis'' is the largest town in the Puster Valley in the Italian province of South Tyrol. Geography Bruneck rises up in the middle of a wide valley (perhaps ...
**1919 at the Treaty of Saint-Germain. * Kötschach -
Paluzza Paluzza ( fur, Paluce) is a ''comune'' (municipality) in the Province of Udine in the Italian region Friuli-Venezia Giulia. A local term in the Bavarian language for " hello" is . Geography It is located about northwest of Trieste and about nor ...
**1st millennium, border between Italy and Carinthia. **1335
Carinthia Carinthia (german: Kärnten ; sl, Koroška ) is the southernmost Austrian state, in the Eastern Alps, and is noted for its mountains and lakes. The main language is German. Its regional dialects belong to the Southern Bavarian group. Carin ...
is inherited by the duke of Austria, border between Austria and Aquileia. **1866 Venice conquered by Italy from Austria. *
Villach Villach (; sl, Beljak; it, Villaco; fur, Vilac) is the seventh-largest city in Austria and the second-largest in the federal state of Carinthia. It is an important traffic junction for southern Austria and the whole Alpe-Adria region. , the p ...
-
Tarvisio Tarvisio (German and fur, Tarvis, sl, Trbiž) is a comune in the northeastern part of the autonomous Friuli Venezia Giulia region in Italy. Geography The town is in the Canal Valley (''Val Canale'') between the Carnic Alps and Karawanks rang ...
**1919 at the Treaty of Saint-Germain.


Azerbaijan–Georgia

**1991 Azerbaijani and Georgian independence from the
Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...
.


Azerbaijan–Russia

**1991
dissolution of the Soviet Union The dissolution of the Soviet Union, also negatively connoted as rus, Разва́л Сове́тского Сою́за, r=Razvál Sovétskogo Soyúza, ''Ruining of the Soviet Union''. was the process of internal disintegration within the Sov ...
.


Belarus–Latvia

**1920 peace between Latvia/Poland and the Soviet Union, border between Latvia and the Soviet Union/Poland. **1991 Belarusian and Latvian independence.


Belarus–Poland

** 1945 after the annexation of Belarusian-populated eastern Poland by the Soviet Union during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, border between Poland and the Soviet Union. **1991 Belarusian independence.


Belarus–Russia

*From
Polatsk Polotsk (russian: По́лоцк; be, По́лацк, translit=Polatsk (BGN/PCGN), Polack (official transliteration); lt, Polockas; pl, Połock) is a historical city in Belarus, situated on the Dvina River. It is the center of the Polotsk Dis ...
-
Velikiye Luki Velikiye Luki ( rus, Вели́кие Лу́ки, p=vʲɪˈlʲikʲɪjə ˈlukʲɪ; lit. ''great meanders''. Г. П.  Смолицкая. "Топонимический словарь Центральной России". "Армада- ...
to
Mahilyow Mogilev (russian: Могилёв, Mogilyov, ; yi, מאָלעוו, Molev, ) or Mahilyow ( be, Магілёў, Mahilioŭ, ) is a city in eastern Belarus, on the Dnieper River, about from the border with Russia's Smolensk Oblast and from the ...
- Klincy **1991
dissolution of the Soviet Union The dissolution of the Soviet Union, also negatively connoted as rus, Разва́л Сове́тского Сою́за, r=Razvál Sovétskogo Soyúza, ''Ruining of the Soviet Union''. was the process of internal disintegration within the Sov ...
. *
Gomel Gomel (russian: Гомель, ) or Homiel ( be, Гомель, ) is the administrative centre of Gomel Region and the second-largest city in Belarus with 526,872 inhabitants (2015 census). Etymology There are at least six narratives of the o ...
- Klincy **1667 at the
Treaty of Andrusovo The Truce of Andrusovo ( pl, Rozejm w Andruszowie, russian: Андрусовское перемирие, ''Andrusovskoye Pieriemiriye'', also sometimes known as Treaty of Andrusovo) established a thirteen-and-a-half year truce, signed in 1667 bet ...
ending the
Russo-Polish War Armed conflicts between Poland (including the Polish–Lithuanian Commonwealth) and Russia (including the Soviet Union) include: Originally a Polish civil war that Russia, among others, became involved in. Originally a Hungarian revolution ...
, border between
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
and Poland–Lithuania. **1991
dissolution of the Soviet Union The dissolution of the Soviet Union, also negatively connoted as rus, Разва́л Сове́тского Сою́за, r=Razvál Sovétskogo Soyúza, ''Ruining of the Soviet Union''. was the process of internal disintegration within the Sov ...
.


Belarus–Ukraine

**1991 Belarusian and Ukrainian independence.


Belgium–Netherlands

*From
Knokke-Heist Knokke-Heist (; french: Knocke-Heist) is a municipality in the Belgian province of West Flanders. The municipality comprises the towns of Heist-aan-Zee, Knokke, Duinbergen, Ramskapelle and Westkapelle. On January 1, 2006 Knokke-Heist had a total ...
-
Cadzand Cadzand is a village in the Dutch province of Zeeland. It is located in the municipality of Sluis, about 8 km northwest of Oostburg. The village contains 790 inhabitants (2010). Better known to many visitors is the nearby beach at Cadzand- ...
to Bree -
Budel Budel is a town in the Dutch province of North Brabant. It is located in the municipality of Cranendonck, 25 km outside Eindhoven. Kempen Airport is located near Budel. History It was first mentioned in 779 as in Budilio, and means "plac ...
**1648 at the
peace of Westphalia The Peace of Westphalia (german: Westfälischer Friede, ) is the collective name for two peace treaties signed in October 1648 in the Westphalian cities of Osnabrück and Münster. They ended the Thirty Years' War (1618–1648) and brought pe ...
between the Netherlands and Spain ending the
Thirty Years' War The Thirty Years' War was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of batt ...
. **1830/1839 after the
Belgian Revolution The Belgian Revolution (, ) was the conflict which led to the secession of the southern provinces (mainly the former Southern Netherlands) from the United Kingdom of the Netherlands and the establishment of an independent Kingdom of Belgium. T ...
against the (united) Netherlands. *From Bree -
Weert Weert (; li, Wieërt ) is a municipality and city in the southeastern Netherlands located in the western part of the province of Limburg. It lies on the Eindhoven–Maastricht railway line, and is also astride the Zuid-Willemsvaart canal. Pop ...
to
Plombières Plombières (; german: Bleyberg or ''Bleiberg'', nl, Blieberg; wa, So-on-Mont-d'-Plomb) is a municipality of Wallonia located in the province of Liège, Belgium. On 1 January 2006, Plombières had a total population of 10,401. The total are ...
- Vaals **1839 at the Treaty of London.


Belgium–France

*From
De Panne De Panne (; french: La Panne ) is a town and a municipality located on the North Sea coast of the Belgian province of West Flanders. There it borders France, making it the westernmost town in Belgium. It is one of the most popular resort town des ...
-
Bray-Dunes Bray-Dunes (; vls, Bray-Duunn) is a commune in the Nord department in northern France. It is situated on the Belgian border, with Adinkerke being the closest Belgian town. It is the northernmost commune and the northernmost point in all of Fr ...
to
Poperinge Poperinge (; french: Poperinghe, ； vls, Poperienge) is a city and municipality located in the Belgian province of West Flanders, Flemish Region, and has a history going back to medieval times. The municipality comprises the town of Popering ...
-
Godewaersvelde Godewaersvelde (; French Flemish: ''Godsvelde'') is a commune in the Nord department in northern France, near the Belgian border. Heraldry Etymology The name of the commune means "Godafritha's Heath" or "Godefried Fields". British soldiers ...
**1697 at the peace of Rijswijk, between France and Spain. **1830/1839 After the
Belgian Revolution The Belgian Revolution (, ) was the conflict which led to the secession of the southern provinces (mainly the former Southern Netherlands) from the United Kingdom of the Netherlands and the establishment of an independent Kingdom of Belgium. T ...
. *From
Loker Loker (also spelt ''Locre'' ) is a small village in the Belgian province of West Flanders, and a part ("deelgemeente") of the municipality of Heuvelland. For the major part of World War I, the city was controlled by the Allied Powers. A fiel ...
- Bailleul to Comines **1713 at the
peace of Utrecht The Peace of Utrecht was a series of peace treaties signed by the belligerents in the War of the Spanish Succession, in the Dutch city of Utrecht between April 1713 and February 1715. The war involved three contenders for the vacant throne ...
, between France and Austria **1830/1839 After the Belgian Revolution. *From
Menen Menen (; french: Menin ; vls, Mêenn or ) is a city and municipality located in the Belgian province of West Flanders. The municipality comprises the city of Menen proper and the towns of Lauwe and Rekkem. The city is situated on the French/ ...
-
Tourcoing Tourcoing (; nl, Toerkonje ; vls, Terkoeje; pcd, Tourco) is a city in northern France on the Belgian border. It is designated municipally as a commune within the department of Nord. Located to the north-northeast of Lille, adjacent to Roubaix, ...
to
Mons Mons (; German and nl, Bergen, ; Walloon and pcd, Mont) is a city and municipality of Wallonia, and the capital of the province of Hainaut, Belgium. Mons was made into a fortified city by Count Baldwin IV of Hainaut in the 12th century. T ...
-
Maubeuge Maubeuge (; historical nl, Mabuse or nl, Malbode; pcd, Maubeuche) is a commune in the Nord department in northern France. It is situated on both banks of the Sambre (here canalized), east of Valenciennes and about from the Belgian bord ...
**1697 at the peace of Rijswijk, between France and Spain. **1830/1839 After the Belgian Revolution. *From
Binche Binche (; wa, Bince; Dutch: ''Bing'') is a city and municipality from Wallonia, in the province of Hainaut, Belgium. Since 1977, the municipality consists of Binche, Bray, Buvrinnes, Épinois, Leval-Trahegnies, Péronnes-lez-Binche, Ressaix, a ...
-
Maubeuge Maubeuge (; historical nl, Mabuse or nl, Malbode; pcd, Maubeuche) is a commune in the Nord department in northern France. It is situated on both banks of the Sambre (here canalized), east of Valenciennes and about from the Belgian bord ...
to
Chimay Chimay (, wa, Chimai) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. In 2006, Chimay had a population of 9,774. The area is 197.10 km2 which gives a population density of 50 inhabitants per km2. It is th ...
- Fourmies **1678/1679 at the peace of Nijmegen, between France and Spain. **1830/1839 After the Belgian Revolution. *
Couvin Couvin (; wa, Couvén) is a city and municipality of Wallonia located in the province of Namur, Belgium. On 1 January 2018 the municipality had 13,782 inhabitants. Couvin is the second largest municipality of Belgium by surface area, after Tourna ...
-
Rocroi Rocroi () is a commune in the Ardennes department in northern France. The central area is a notable surviving example of a bastion fort. Population History Rocroi was fortified by Francis I of France and expanded by Henry II of France. Bec ...
**941? Border between France and Germany. **1830/1839 After the Belgian Revolution. *From
Couvin Couvin (; wa, Couvén) is a city and municipality of Wallonia located in the province of Namur, Belgium. On 1 January 2018 the municipality had 13,782 inhabitants. Couvin is the second largest municipality of Belgium by surface area, after Tourna ...
-
Revin Revin () is a commune in the Ardennes department in the Grand Est region in northern France. Revin is situated on the banks of the Meuse. The Revin Pumped Storage Power Plant is near Revin. Population Personalities Yazid Mansouri, the Al ...
to Agimont -
Givet Givet () (german: Gibet Walloon: ''Djivet'') is a commune in the Ardennes department in northern France surrounded on three sides by the Belgian border. It lies on the river Meuse where Emperor Charles V built the fortress of Charlemont. It ...
**1678/1679 at the peace of Nijmegen, between France and the bishopric of Liege. **1830/1839 After the Belgian Revolution. *From
Hastière Hastière (; wa, Astire) is a municipality of Wallonia located in the province of Namur, Belgium. On 1 January 2006 the municipality had 5,230 inhabitants. The total area is , giving a population density of 93 inhabitants per square kilometre. ...
-
Givet Givet () (german: Gibet Walloon: ''Djivet'') is a commune in the Ardennes department in northern France surrounded on three sides by the Belgian border. It lies on the river Meuse where Emperor Charles V built the fortress of Charlemont. It ...
to
Aubange Aubange (; german: Ibingen; lb, Éibeng; wa, Åbindje) is a municipality and city of Wallonia located in the province of Luxembourg, Belgium. On 1 January 2012 the municipality, which covers 45.6 km2, had 16,042 inhabitants, giving a p ...
-
Longwy Longwy (; older german: Langich, ; lb, label= Luxemburgish, Lonkech) is a commune in the French department of Meurthe-et-Moselle, Lorraine, administrative region of Grand Est, northeastern France. The inhabitants are known as ''Longoviciens'' ...
**1697 at the peace of Rijswijk, between France and Germany (Spain and the bishopric of Liege). **1830/1839 After the Belgian Revolution.


Belgium–Luxembourg

*From
Aubange Aubange (; german: Ibingen; lb, Éibeng; wa, Åbindje) is a municipality and city of Wallonia located in the province of Luxembourg, Belgium. On 1 January 2012 the municipality, which covers 45.6 km2, had 16,042 inhabitants, giving a p ...
-
Pétange Pétange (; lb, Péiteng, ; german: Petingen) is a commune and town in south-western Luxembourg. It is part of the canton of Esch-sur-Alzette. Pétange lies on the borders with both Belgium and France. , the town of Pétange, which lies in t ...
to
Gouvy Gouvy (; wa, Gouvi) is a municipality of Wallonia located in the province of Luxembourg, Belgium. On 1 January 2007 the municipality, which covers 165.11 km2, had 4,780 inhabitants, giving a population density of 29 inhabitants per km2. T ...
-
Huldange Huldange (, ) is a small town in the commune of Troisvierges, in far northern Luxembourg. , the town has a population of 353. Nearby is the source of the Clerve The Clerve ( lb, Klierf) is a river flowing through Luxembourg, joining the Wiltz ...
**1839 at the Treaty of London. *
Burg-Reuland Burg-Reuland () is a municipality located in the Belgian province of Liège. The name of the municipality refers to the castle "Burg-Reuland", which is located in the center of the community. On January 1, 2006, Burg-Reuland had a total popula ...
- Leithum **1839 at the Treaty of London, between Luxembourg and
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an e ...
. **1919 at the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1 ...
.


Belgium–Germany

**1919 at the Treaty of Versailles.


Bosnia and Herzegovina–Croatia

**1995
Dayton Agreement The General Framework Agreement for Peace in Bosnia and Herzegovina, also known as the Dayton Agreement or the Dayton Accords ( Croatian: ''Daytonski sporazum'', Serbian and Bosnian: ''Dejtonski mirovni sporazum'' / Дејтонски миро ...
ending the
Bosnian War The Bosnian War ( sh, Rat u Bosni i Hercegovini / Рат у Босни и Херцеговини) was an international armed conflict that took place in Bosnia and Herzegovina between 1992 and 1995. The war is commonly seen as having started ...
.


Bosnia and Herzegovina–Montenegro

*
Sarajevo Sarajevo ( ; cyrl, Сарајево, ; ''see names in other languages'') is the capital and largest city of Bosnia and Herzegovina, with a population of 275,524 in its administrative limits. The Sarajevo metropolitan area including Sarajevo ...
-
Pljevlja Pljevlja ( srp, Пљевља, ) is a town and the center of Pljevlja Municipality located in the northern part of Montenegro. The town lies at an altitude of . In the Middle Ages, Pljevlja had been a crossroad of the important commercial roads an ...
**1913 at the Treaty of London, border between Montenegro and Austria-Hungary. **1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia. **2006 Montenegrin independence. *
Sarajevo Sarajevo ( ; cyrl, Сарајево, ; ''see names in other languages'') is the capital and largest city of Bosnia and Herzegovina, with a population of 275,524 in its administrative limits. The Sarajevo metropolitan area including Sarajevo ...
-
Nikšić Nikšić ( cnr, Никшић, italic=no, sr-cyrl, Никшић, italic=no; ), is the second largest city in Montenegro, with a total population of 56,970 located in the west of the country, in the centre of the spacious Nikšić field at the foot ...
**1878 at the Treaty of Berlin, border between Montenegro and Austria-Hungary. **1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia. **2006 Montenegrin independence. *
Trebinje Trebinje ( sr-Cyrl, Требиње, ) is a city and municipality located in the Republika Srpska entity of Bosnia and Herzegovina. It is the southernmost city in Bosnia and Herzegovina and is situated on the banks of Trebišnjica river in the r ...
-
Herceg Novi Herceg Novi ( cyrl, Херцег Нови, ) is a coastal town in Montenegro located at the Western entrance to the Bay of Kotor and at the foot of Mount Orjen. It is the administrative center of the Herceg Novi Municipality with around 33,000 ...
**1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia. **2006 Montenegrin independence.


Bosnia and Herzegovina–Serbia

*
Zvornik Zvornik ( sr-cyrl, Зворник, ) is a city in Bosnia and Herzegovina. It is located in Republika Srpska, on the left bank of the Drina river. In 2013, it had a population of 58,856 inhabitants. The town of Mali Zvornik ("Little Zvornik") lies ...
- Loznica **13th century, after Serbian conquest, border between Serbia and Bosnia. **1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia. **2006 Serbian self-determination. *
Sarajevo Sarajevo ( ; cyrl, Сарајево, ; ''see names in other languages'') is the capital and largest city of Bosnia and Herzegovina, with a population of 275,524 in its administrative limits. The Sarajevo metropolitan area including Sarajevo ...
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Priboj Priboj ( sr-Cyrl, Прибој, ) is a town and municipality located in the Zlatibor District of southwestern Serbia. The population of the town is 14,920, while the population of the municipality is 27,133. Geography The municipality of Priboj i ...
**1913 at the Treaty of London, border between Serbia and Austria-Hungary. **1995 Dayton Agreement, border between Bosnia and Herzegovina and Yugoslavia. **2006 Serbian self-determination.


Bulgaria–Greece

*
Petrich Petrich ( bg, Петрич ) is a town in Blagoevgrad Province in southwestern Bulgaria, located in Sandanski–Petrich Valley at the foot of the Belasica Mountains in the Strumeshnitsa Valley. According to the 2021 census, the town has 26,778 ...
- Sidirokastro ** 1913 at the Treaty of London. * From
Smolyan Smolyan ( bg, Смолян) List of cities and towns in Bulgaria, is a town and ski resort in the south of Bulgaria near the border with Greece. It is the administrative and industrial centre of the homonymous Smolyan Province. The town is built ...
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Xanthi Xanthi ( el, Ξάνθη, ''Xánthi'', ) is a city in the region of Western Thrace, northeastern Greece. It is the capital of the Xanthi regional unit of the region of East Macedonia and Thrace. Amphitheatrically built on the foot of Rhodope m ...
to Svilengrad -
Orestiada Orestiada ( el, Ορεστιάδα, formerly , ''Nea Orestiás''), is the northeasternmost, northernmost and newest city of Greece and the second largest town of the Evros regional unit of Thrace. Founded by Greek refugees from Edirne after the ...
** 1919 at the Treaty of Neuilly.


Bulgaria–North Macedonia

* Petric -
Strumica Strumica ( mk, Струмица, ) is the largest city2002 census results
in English and Macedon ...
**1919 at the Treaty of Neuilly, border between Bulgaria and Yugoslavia. **1991 Independence for the Republic of Macedonia. *
Blagoevgrad Blagoevgrad ( bg, Благоевград ) is а town in Southwestern Bulgaria, the administrative centre of Blagoevgrad Municipality and of Blagoevgrad Province. With a population of almost inhabitants, it is the economic and cultural centre ...
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Kočani Kočani ( mk, Кочани ) is a town in the eastern part of North Macedonia, situated around east from Skopje. It has a population of 28,330 and is the seat of the Kočani Municipality. Geography and population The town spreads across the Nor ...
**1913 at the Treaty of Bucharest, border between Bulgaria and Serbia. **1991 Independence for the Republic of Macedonia. *
Kyustendil Kyustendil ( bg, Кюстендил ) is a town in the far west of Bulgaria, the capital of the Kyustendil Province, a former bishopric and present Latin Catholic titular see. The town is situated in the southern part of the Kyustendil Valley, ...
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Skopje Skopje ( , , ; mk, Скопје ; sq, Shkup) is the capital and largest city of North Macedonia. It is the country's political, cultural, economic, and academic centre. The territory of Skopje has been inhabited since at least 4000 BC; r ...
**1878 Bulgarian independence, border between Bulgaria and the Ottoman Empire. **1991 Independence for the Republic of Macedonia.


Bulgaria–Romania

* Varna -
Constanța Constanța (, ; ; rup, Custantsa; bg, Кюстенджа, Kyustendzha, or bg, Констанца, Konstantsa, label=none; el, Κωνστάντζα, Kōnstántza, or el, Κωνστάντια, Kōnstántia, label=none; tr, Köstence), histo ...
**1878 after the defeat of the Ottoman Empire. *From
Silistra Silistra ( bg, Силистра ; tr, Silistre; ro, Silistra) is a town in Northeastern Bulgaria. The town lies on the southern bank of the lower Danube river, and is also the part of the Romanian border where it stops following the Danube. Si ...
- Fetești to
Vidin Vidin ( bg, Видин, ; Old Romanian: Diiu) is a port city on the southern bank of the Danube in north-western Bulgaria. It is close to the borders with Romania and Serbia, and is also the administrative centre of Vidin Province, as well as ...
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Calafat Calafat () is a city in Dolj County, southern Romania, in the region of Oltenia. It lies on the river Danube, opposite the Bulgarian city of Vidin, to which it is linked by the Calafat-Vidin Bridge, opened in 2013. After the destruction of the br ...
**1185 After Bulgarian uprise against the Byzantine Empire, border between Bulgaria and the Cumans. **1859 formation of Romania, border between Romania and the Ottoman Empire. **1878 Bulgarian independence.


Bulgaria–Serbia

*
Sofia Sofia ( ; bg, София, Sofiya, ) is the capital and largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain in the western parts of the country. The city is built west of the Iskar river, and h ...
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Pirot Pirot ( sr-cyr, Пирот) is a city and the administrative center of the Pirot District in southeastern Serbia. According to 2011 census, the urban area of the city has a population of 38,785, while the population of the city administrative are ...
**1919 at the Treaty of Neuilly, border between Bulgaria and Yugoslavia. **2006 Serbian self-determination. *
Vidin Vidin ( bg, Видин, ; Old Romanian: Diiu) is a port city on the southern bank of the Danube in north-western Bulgaria. It is close to the borders with Romania and Serbia, and is also the administrative centre of Vidin Province, as well as ...
- Zaječar **1878 Bulgarian and Serbian independence.


Bulgaria–Turkey

*
Burgas Burgas ( bg, Бургас, ), sometimes transliterated as ''Bourgas'', is the second largest city on the Bulgarian Black Sea Coast in the region of Northern Thrace and the fourth-largest in Bulgaria after Sofia, Plovdiv, and Varna, with a pop ...
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Kırklareli Kırklareli () is a city within Kırklareli Province in the European part of Turkey. Name It is not clearly known when the city was founded, nor under what name. The Byzantine Greeks called it Sarànta Ekklisiès (''Σαράντα Εκκλησι ...
**1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire (Turkey). *
Elhovo Elhovo ( bg, Елхово ) is a Bulgarian town in Yambol Province, located on the left bank of the Tundzha river, between Strandzha and Sakar mountains. Second largest city in the region after Jambol, the city is located at 36 km from bo ...
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Edirne Edirne (, ), formerly known as Adrianople or Hadrianopolis ( Greek: Άδριανούπολις), is a city in Turkey, in the northwestern part of the province of Edirne in Eastern Thrace. Situated from the Greek and from the Bulgarian borders ...
**1885 after the East Rumelian revolution, border between Bulgaria and the Ottoman Empire (Turkey). * Svilengrad -
Edirne Edirne (, ), formerly known as Adrianople or Hadrianopolis ( Greek: Άδριανούπολις), is a city in Turkey, in the northwestern part of the province of Edirne in Eastern Thrace. Situated from the Greek and from the Bulgarian borders ...
**1919 at the Treaty of Neuilly, border between Bulgaria and the Ottoman Empire (Turkey).


Croatia–Hungary

*
Osijek Osijek () is the fourth-largest city in Croatia, with a population of 96,848 in 2021. It is the largest city and the economic and cultural centre of the eastern Croatian region of Slavonia, as well as the administrative centre of Osijek-Baranja ...
-
Pécs Pécs ( , ; hr, Pečuh; german: Fünfkirchen, ; also known by other #Name, alternative names) is List of cities and towns of Hungary#Largest cities in Hungary, the fifth largest city in Hungary, on the slopes of the Mecsek mountains in the countr ...
**1920 at the Treaty of Trianon, border between Hungary and Yugoslavia. **1991 Croatian independence. *From
Našice Našice () is a town in eastern Croatia, located on the northern slopes of the Krndija mountain in eastern Slavonia, 51 km southwest of regional hub Osijek. Administratively it belongs to Osijek-Baranja County. Geography Našice is located ...
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Pécs Pécs ( , ; hr, Pečuh; german: Fünfkirchen, ; also known by other #Name, alternative names) is List of cities and towns of Hungary#Largest cities in Hungary, the fifth largest city in Hungary, on the slopes of the Mecsek mountains in the countr ...
to
Varaždin ) , image_photo = , image_skyline = , image_flag = Flag of Varaždin.svg , flag_size = , image_seal = , seal_size = , image_shield = Grb_Grad ...
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Nagykanizsa Nagykanizsa (; hr, Velika Kaniža/Velika Kanjiža, or just ''Kaniža/Kanjiža''; german: Großkirchen, Groß-Kanizsa; it, Canissa; sl, Velika Kaniža; tr, Kanije), known colloquially as Kanizsa, is a medium-sized city in Zala County in south ...
**10th century.


Croatia–Montenegro

**1991 Croatian independence, border between Croatia and Yugoslavia. **2006 Montenegrin independence.


Croatia–Serbia

*
Osijek Osijek () is the fourth-largest city in Croatia, with a population of 96,848 in 2021. It is the largest city and the economic and cultural centre of the eastern Croatian region of Slavonia, as well as the administrative centre of Osijek-Baranja ...
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Apatin Apatin ( sr-cyrl, Апатин, hu, Apatin, hr, Apatin) is a town and municipality located in the West Bačka District of the autonomous province of Vojvodina, Serbia. As of 2011 census, the population of the town is 17,411, while the municipali ...
**1995 Dayton agreement, border between Croatia and Yugoslavia. **2006 Serbian self-determination. *
Vukovar Vukovar () ( sr-Cyrl, Вуковар, hu, Vukovár, german: Wukowar) is a city in Croatia, in the eastern region of Slavonia. It contains Croatia's largest river port, located at the confluence of the Vuka and the Danube. Vukovar is the seat of ...
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Bačka Palanka Bačka Palanka ( sr-cyrl, Бачка Паланка, ; hu, Palánka) is a town and municipality located in the South Bačka District of the autonomous province of Vojvodina, Serbia. It is situated on the left bank of the Danube. In 2011 the tow ...
**925 Croatia conquers Slavonia, border between Croatia and Hungary. **2006 Serbian self-determination. *
Vukovar Vukovar () ( sr-Cyrl, Вуковар, hu, Vukovár, german: Wukowar) is a city in Croatia, in the eastern region of Slavonia. It contains Croatia's largest river port, located at the confluence of the Vuka and the Danube. Vukovar is the seat of ...
-
Sremska Mitrovica Sremska Mitrovica (; sr-Cyrl, Сремска Митровица, hu, Szávaszentdemeter, la, Sirmium) is a city and the administrative center of the Srem District in the autonomous province of Vojvodina, Serbia. It is situated on the left ban ...
**1995 Dayton agreement, border between Croatia and Yugoslavia. **2006 Serbian self-determination.


Croatia–Slovenia Croatia–Slovenia is a one-day cycling race that has been held annually since 2008. It is part of UCI Europe Tour in category 1.2. It was formerly known as Ljubljana-Zagreb and Zagreb-Ljubljana, but the new finish line had moved from Ljubljana ...

*
Čakovec Čakovec (; hu, Csáktornya; la, Aquama; german: Tschakathurn) is a city in northern Croatia, located around north of Zagreb, the Croatian capital. Čakovec is both the county seat and the largest city of Međimurje County, the northernmost, s ...
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Murska Sobota Murska Sobota (, Slovenian abbreviation: ''MS'' ; german: Olsnitz;''Radkersburg und Luttenberg'' (map, 1:75,000). 1894. Vienna: K.u.k. Militärgeographisches Institut. hu, Muraszombat) is a town in northeastern Slovenia. It is the centre of the ...
**1991 Croatian and Slovenian independence. *From
Varaždin ) , image_photo = , image_skyline = , image_flag = Flag of Varaždin.svg , flag_size = , image_seal = , seal_size = , image_shield = Grb_Grad ...
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Ptuj Ptuj (; german: Pettau, ; la, Poetovium/Poetovio) is a town in northeastern Slovenia that is the seat of the Municipality of Ptuj. Ptuj, the oldest recorded city in Slovenia, has been inhabited since the late Stone Age and developed from a Roman ...
to
Rijeka Rijeka ( , , ; also known as Fiume hu, Fiume, it, Fiume ; local Chakavian: ''Reka''; german: Sankt Veit am Flaum; sl, Reka) is the principal seaport and the third-largest city in Croatia (after Zagreb and Split). It is located in Prim ...
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Postojna Postojna (; german: Adelsberg, it, Postumia) is a town in the traditional region of Inner Carniola, from Trieste, in southwestern Slovenia. It is the seat of the Municipality of Postojna.
**10th century, border between Croatia and Germany. **1991 Croatian and Slovenian independence. *
Pazin Pazin ( it, Pisino, german: Mitterburg) is a town in western Croatia, the administrative seat of Istria County. It is known for the medieval Pazin Castle, the former residence of the Istrian margraves. Geography The town had a population of 8,6 ...
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Koper Koper (; it, Capodistria, hr, Kopar) is the fifth largest city in Slovenia. Located in the Istrian region in the southwestern part of the country, approximately five kilometres () south of the border with Italy and 20 kilometres () from Triest ...
**1991 Croatian and Slovenian independence.


Czech Republic–Germany

*From
Volary Volary (; german: Wallern) is a town in the South Bohemian Region of the Czech Republic. It has about 3,700 inhabitants. It is located in the Bohemian Forest, close to the border with Germany. An area in the northern part of the town with timber-f ...
- Neureichenau to
Mariánské Lázně Mariánské Lázně (; german: Marienbad) is a spa town in Cheb District in the Karlovy Vary Region of the Czech Republic. It has about 12,000 inhabitants. Most of the town's buildings come from its Golden Era in the second half of the 19th cent ...
-
Mähring Mähring is a municipality in the district of Tirschenreuth in Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the larg ...
**843
Treaty of Verdun The Treaty of Verdun (), agreed in , divided the Frankish Empire into three kingdoms among the surviving sons of the emperor Louis I, the son and successor of Charlemagne. The treaty was concluded following almost three years of civil war and ...
dividing the
Carolingian Empire The Carolingian Empire (800–888) was a large Frankish-dominated empire in western and central Europe during the Early Middle Ages. It was ruled by the Carolingian dynasty, which had ruled as kings of the Franks since 751 and as kings of the L ...
, border between
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...
and the
Bohemia Bohemia ( ; cs, Čechy ; ; hsb, Čěska; szl, Czechy) is the westernmost and largest historical region of the Czech Republic. Bohemia can also refer to a wider area consisting of the historical Lands of the Bohemian Crown ruled by the Bohem ...
ns (
Czechs The Czechs ( cs, Češi, ; singular Czech, masculine: ''Čech'' , singular feminine: ''Češka'' ), or the Czech people (), are a West Slavic ethnic group and a nation native to the Czech Republic in Central Europe, who share a common ancestry, ...
). *
Cheb Cheb (; german: Eger) is a town in the Karlovy Vary Region of the Czech Republic. It has about 30,000 inhabitants. It lies on the river Ohře. Before the 1945 expulsion of the German-speaking population, the town was the centre of the German- ...
-
Marktredwitz Marktredwitz () is a town in the district of Wunsiedel, in Bavaria, Germany, close to the Czech border. It is situated 22 km west of Cheb, 50 km east of Bayreuth and 50 km south of Hof/Saale. Marktredwitz station is at the juncti ...
**1266
Egerland The Egerland ( cs, Chebsko; german: Egerland; Egerland German dialect: ''Eghalånd'') is a historical region in the far north west of Bohemia in what is today the Czech Republic, at the border with Germany. It is named after the German name ''Eg ...
(Cheb) becomes Bohemian (dispute whether Bohemia was German at that time). *From
Kraslice Kraslice (; german: Graslitz) is a town in Sokolov District in the Karlovy Vary Region of the Czech Republic. It has about 6,500 inhabitants. It was a large and important town until the World War II. It is known for manufacture of musical instrum ...
- Klingenthal to
Hrádek nad Nisou Hrádek nad Nisou (; german: Grottau, pl, Gródek nad Nysą) is a town in Liberec District in the Liberec Region of the Czech Republic. It has about 7,700 inhabitants. The town centre is well preserved and is protected by law as an urban monumen ...
-
Zittau Zittau ( hsb, Žitawa, dsb, Žytawa, pl, Żytawa, cs, Žitava, Upper Lusatian Dialect: ''Sitte''; from Slavic "'' rye''" (Upper Sorbian and Czech: ''žito'', Lower Sorbian: ''žyto'', Polish: ''żyto'')) is the southeasternmost city in the Ge ...
**9th century, Bohemia established, border between Bohemia (Czechs) and the Sorbs. **10th century, Germans conquer Sorb territories.


Czech Republic–Poland

*From
Liberec Liberec (; german: Reichenberg ) is a city in the Czech Republic. It has about 103,000 inhabitants and it is the fifth-largest city in the country. It lies on the Lusatian Neisse, in a basin surrounded by mountains. The city centre is well prese ...
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Gorlice Gorlice ( uk, Горлиці, translit=''Horlytsi'') is a city and an urban municipality ("gmina") in south eastern Poland with around 29,500 inhabitants (2008). It is situated south east of Kraków and south of Tarnów between Jasło and Nowy S ...
to
Trutnov Trutnov (; german: Trautenau) is a town in the Hradec Králové Region of the Czech Republic. It has about 29,000 inhabitants. The town centre is well preserved and is protected by law as an urban monument zone. Administrative parts Trutnov is ...
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Wałbrzych Wałbrzych (; german: Waldenburg; szl, Wałbrzich; sli, label= Lower Silesian, Walmbrig or ''Walmbrich''; cs, Valbřich or ) is a city located in the Lower Silesian Voivodeship, in southwestern Poland. From 1975–1998 it was the capital of Wa ...
**9th century, border between Bohemia (Czech Republic) and Great Moravia. **10th century, border between Bohemia (Czech Republic) and Poland. **1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia. **1993 Czechoslovakia dissolved. * Náchod -
Kłodzko Kłodzko (; cz, Kladsko; german: Glatz; la, Glacio) is a historic town in south-western Poland, in the region of Lower Silesia. It is situated in the centre of the Kłodzko Valley, on the Eastern Neisse river. Kłodzko is the seat of Kłodzko ...
to
Ostrava Ostrava (; pl, Ostrawa; german: Ostrau ) is a city in the north-east of the Czech Republic, and the capital of the Moravian-Silesian Region. It has about 280,000 inhabitants. It lies from the border with Poland, at the confluences of four riv ...
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Racibórz Racibórz (german: Ratibor, cz, Ratiboř, szl, Racibōrz) is a city in Silesian Voivodeship in southern Poland. It is the administrative seat of Racibórz County. With Opole, Racibórz is one of the historic capitals of Upper Silesia, being ...
**1945 Stalin gives German Silesia to Poland, border between Poland and Czechoslovakia. **1993 Czechoslovakia dissolved. *
Český Těšín Český Těšín (; pl, Czeski Cieszyn ; german: Tschechisch-Teschen) is a town in the Karviná District in the Moravian-Silesian Region of the Czech Republic. It has about 24,000 inhabitants. Český Těšín lies on the west bank of the Olza ...
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Cieszyn Cieszyn ( , ; cs, Těšín ; german: Teschen; la, Tessin; szl, Ćeszyn) is a border town in southern Poland on the east bank of the Olza River, and the administrative seat of Cieszyn County, Silesian Voivodeship. The town has 33,500 inhabitan ...
**1919 border between Czechoslovakia and Poland. **1993 Czechoslovakia dissolved.


Czech Republic–Slovakia

*From
Břeclav Břeclav (; german: Lundenburg) is a town in the South Moravian Region of the Czech Republic. It has about 24,000 inhabitants. Administrative parts Town parts of Charvátská Nová Ves and Poštorná are administrative parts of Břeclav. Etymol ...
-
Senica Senica (; german: Senitz; hu, Szenice) is a town in Trnava Region, western Slovakia. It is located in the north-eastern part of the Záhorie lowland, close to the Little Carpathians. Etymology The name is derived from the word ''seno'' ("hay") ...
to
Frýdek-Místek Frýdek-Místek (, pl, Frydek-Mistek; german: Friede(c)k-Mistek) is a city in the Moravian-Silesian Region of the Czech Republic. It has about 54,000 inhabitants. The historic centres of both Frýdek and Místek are well preserved and are protecte ...
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Žilina Žilina (; hu, Zsolna, ; german: Sillein, or ; pl, Żylina , names in other languages) is a city in north-western Slovakia, around from the capital Bratislava, close to both the Czech and Polish borders. It is the fourth largest city of S ...
**10th century, Bohemia acquires
Moravia Moravia ( , also , ; cs, Morava ; german: link=yes, Mähren ; pl, Morawy ; szl, Morawa; la, Moravia) is a historical region in the east of the Czech Republic and one of three historical Czech lands, with Bohemia and Czech Silesia. The ...
, border between Bohemia (Czech Republic) and Hungary. **1993 Czechoslovakia splits in two. *
Český Těšín Český Těšín (; pl, Czeski Cieszyn ; german: Tschechisch-Teschen) is a town in the Karviná District in the Moravian-Silesian Region of the Czech Republic. It has about 24,000 inhabitants. Český Těšín lies on the west bank of the Olza ...
- Čadca **1298 Bohemia acquires
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
, border between Bohemia (Czech Republic) and Hungary. **1993 Czechoslovakia splits in two.


Denmark–Germany

**1920 after referendum.


Denmark–Sweden

**2000
Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan a ...
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Malmö Malmö (, ; da, Malmø ) is the largest city in the Swedish county (län) of Scania (Skåne). It is the third-largest city in Sweden, after Stockholm and Gothenburg, and the sixth-largest city in the Nordic region, with a municipal popul ...
bridge and tunnel Bridge and Tunnel (often abbreviated B&T or BNT) is a term – often used pejoratively – to describe people who live in communities surrounding the island of Manhattan in New York City, and commute to it for work or entertainment. It refers t ...


Estonia–Latvia

**1918 Latvian and Estonian independence from Russia.


Estonia–Russia

*
Narva Narva, russian: Нарва is a municipality and city in Estonia. It is located in Ida-Viru county, at the eastern extreme point of Estonia, on the west bank of the Narva river which forms the Estonia–Russia international border. With 5 ...
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Ivangorod Ivangorod ( rus, Иванго́род, p=ɪvɐnˈɡorət; et, Jaanilinn; vot, Jaanilidna) is a town in Kingiseppsky District of Leningrad Oblast, Russia, located on the east bank of the Narva river which flows along the Estonia–Russia int ...
**1478 Russian conquest of
Novgorod Veliky Novgorod ( rus, links=no, Великий Новгород, t=Great Newtown, p=vʲɪˈlʲikʲɪj ˈnovɡərət), also known as just Novgorod (), is the largest city and administrative centre of Novgorod Oblast, Russia. It is one of the ...
, border between
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
and the German Order. **1991 dissolution of the Soviet Union. *
Võru Võru (; vro, Võro; german: Werro) is a town and a municipality in south-eastern Estonia. It is the capital of Võru County and the centre of Võru Parish. History Võru was founded on 21 August 1784, according to the wish of the Empress Cather ...
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Pskov Pskov ( rus, Псков, a=pskov-ru.ogg, p=pskof; see also names in other languages) is a city in northwestern Russia and the administrative center of Pskov Oblast, located about east of the Estonian border, on the Velikaya River. Population ...
**1510 Russian conquest of
Pskov Pskov ( rus, Псков, a=pskov-ru.ogg, p=pskof; see also names in other languages) is a city in northwestern Russia and the administrative center of Pskov Oblast, located about east of the Estonian border, on the Velikaya River. Population ...
, border between Russia and the German Order. **1991 dissolution of the Soviet Union.


Finland–Norway

**1751 Treaty of Strömstad


Finland–Russia

*
Nellim Nellim ( fi, Nellim or '; smn, Njellim; sms, Njeäʹllem) is a village on the shore of Lake Inari in Inari, Finland that has three distinctly different cultures: Finns, the Inari Sámi and the Skolt Sámi. Nellim is approximately northeast ...
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Nikel Nikel (russian: Ни́кель, lit. '' nickel''; fi, Nikkeli; Norwegian: ''Nikkel'') is an urban locality (an urban-type settlement) and the administrative center of Pechengsky District of Murmansk Oblast, Russia, located on the shores of La ...
**1946 at the Treaty of Paris, border between Finland and the Soviet Union. *
Kuusamo Kuusamo ( sme, Guossán; smn, Kuáccám) is a town and municipality in Finland. It is located in the Northern Ostrobothnia region. The municipality has a population of () and covers an area of of which is water. The population density is . T ...
- Topozero **1917
Finnish independence Finland declared its independence on 6 December 1917. The formal Declaration of Independence was only part of the long process leading to the independence of Finland. History Proclamation of Empress Elizabeth (1742) The subject of an independ ...
. *
Kotka Kotka (; ; la, Aquilopolis) is a city in the southern part of the Kymenlaakso province on the Gulf of Finland. Kotka is a major port and industrial city and also a diverse school and cultural city, which was formerly part of the old Kymi parish ...
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Vyborg Vyborg (; rus, Вы́борг, links=1, r=Výborg, p=ˈvɨbərk; fi, Viipuri ; sv, Viborg ; german: Wiborg ) is a town in, and the administrative center of, Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus ...
**1946 at the Treaty of Paris, border between Finland and the Soviet Union.


Finland–Sweden

**17 September 1809 -
Treaty of Fredrikshamn The Treaty of Fredrikshamn ( sv, Freden i Fredrikshamn; russian: Фридрихсгамский мирный договор), or the Treaty of Hamina ( fi, Haminan rauha), was a peace treaty concluded between Sweden and Imperial Russia on 17 ...
ending the
Finnish War The Finnish War ( sv, Finska kriget, russian: Финляндская война, fi, Suomen sota) was fought between the Kingdom of Sweden and the Russian Empire from 21 February 1808 to 17 September 1809 as part of the Napoleonic Wars. As a re ...
, border between the
Grand Duchy of Finland The Grand Duchy of Finland ( fi, Suomen suuriruhtinaskunta; sv, Storfurstendömet Finland; russian: Великое княжество Финляндское, , all of which literally translate as Grand Principality of Finland) was the predecess ...
and
Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic countries, Nordic c ...
.


France–Switzerland

* Saint-Louis -
Basel , french: link=no, Bâlois(e), it, Basilese , neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (B ...
**1501
Basel , french: link=no, Bâlois(e), it, Basilese , neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (B ...
becomes a member of the
Swiss Confederation ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
, border between the Habsburg territories and Switzerland. **1648 at the Treaty of Westphalia. * Wentzwiller - Oberwil **1648 at the Treaty of Westphalia, border between France and the bishopric of Basel. **1815 at the
Congress of Vienna The Congress of Vienna (, ) of 1814–1815 was a series of international diplomatic meetings to discuss and agree upon a possible new layout of the European political and constitutional order after the downfall of the French Emperor Napoleon ...
ending the
Napoleonic Wars The Napoleonic Wars (1803–1815) were a series of major global conflicts pitting the French Empire and its allies, led by Napoleon I, against a fluctuating array of European states formed into various coalitions. It produced a period of Fre ...
. *
Leymen Leymen (; german: Leimen) is a commune in the Haut-Rhin department in Alsace in north-eastern France. The commune is served by Leymen station, on line 10 of the Basel tramway between Rodersdorf and Flüh, and until December 2017 was the onl ...
-
Hofstetten-Flüh Hofstetten-Flüh (Swiss German: ''Hufstette-Flüe'') is a municipality in the district of Dorneck in the canton of Solothurn in Switzerland. History Hofstetten-Flüh is first mentioned in 1194 as ''Huhostetten''. Geography Hofstetten-Flüh ha ...
**1515 Swiss Solothurn buys Rotberg from the Rotberg family, border between the Habsburg territories and Switzerland. **1648 at the Treaty of Westphalia. * Lutter - Cholholx **1648 at the Treaty of Westphalia, border between France and the bishopric of Basel. **1815 at the congress of Vienna. * Lutter - Kleinlützel **1527 Swiss Solothurn buys Kleinlützel from the monastery of Kleinlützel, border between the Habsburg territories and Switzerland. **1648 at the Treaty of Westphalia. *From Blochmont - Ederswiler to Delle -
Buix Buix is a former municipality in the district of Porrentruy in the canton of Jura in Switzerland. On 1 January 2009 the former municipalities of Buix, Courtemaîche and Montignez merged to form the new municipality of Basse-Allaine.
**1648 at the Treaty of Westphalia, border between France and the bishopric of Basel. **1815 at the congress of Vienna. *
Montbéliard Montbéliard (; traditional ) is a town in the Doubs department in the Bourgogne-Franche-Comté region in eastern France, about from the border with Switzerland. It is one of the two subprefectures of the department. History Montbéliard is ...
–
Porrentruy Porrentruy (, fc, Poérreintru , german: Pruntrut) is a Swiss municipality and seat of the district of the same name located in the canton of Jura. Porrentruy is home to National League team, HC Ajoie. History The first trace of human pre ...
**1815 at the congress of Vienna. *From Vaufrey -
Porrentruy Porrentruy (, fc, Poérreintru , german: Pruntrut) is a Swiss municipality and seat of the district of the same name located in the canton of Jura. Porrentruy is home to National League team, HC Ajoie. History The first trace of human pre ...
to
Pontarlier Pontarlier ( ; Latin: ''Ariolica'') is a commune and one of the two sub-prefectures of the Doubs department in the Bourgogne-Franche-Comté region in eastern France near the Swiss border. History Pontarlier occupies the ancient Roman station o ...
-
Fleurier Fleurier was a municipality in the district of Val-de-Travers in the canton of Neuchâtel in Switzerland. On 1 January 2009, the former municipalities of Boveresse, Buttes, Couvet, Fleurier, Les Bayards, Môtiers, Noiraigue, Saint-Sulpice and ...
**1678/1679 at the
Treaty of Nijmegen The Treaties of Peace of Nijmegen ('; german: Friede von Nimwegen) were a series of treaties signed in the Dutch city of Nijmegen between August 1678 and October 1679. The treaties ended various interconnected wars among France, the Dutch Repub ...
ending the
Franco-Dutch War The Franco-Dutch War, also known as the Dutch War (french: Guerre de Hollande; nl, Hollandse Oorlog), was fought between France and the Dutch Republic, supported by its allies the Holy Roman Empire, Spain, Brandenburg-Prussia and Denmark-Nor ...
, border between France and Germany (bishopric of Basel and Neuchâtel). **1815 at the congress of Vienna. *From Les Fourgs - Sainte-Croix to
Les Rousses Les Rousses () is a commune in the Canton of Hauts de Bienne of Jura department in the Bourgogne-Franche-Comté region in eastern France, on the Swiss border. The Lac des Rousses is located northeast of the village of Les Rousses beside the ...
-
Saint-Cergue Saint-Cergue is a municipality in the district of Nyon in the canton of Vaud in Switzerland. History Saint-Cergue is first mentioned in 1110 as ''ecclesiam Sancti Cyrici''. Geography Saint-Cergue has an area, , of . Of this area, or 27.6% ...
**1536 border between Switzerland and Burgundy. **1678/1679 at the Treaty of Nijmegen. *From Gex -
Saint-Cergue Saint-Cergue is a municipality in the district of Nyon in the canton of Vaud in Switzerland. History Saint-Cergue is first mentioned in 1110 as ''ecclesiam Sancti Cyrici''. Geography Saint-Cergue has an area, , of . Of this area, or 27.6% ...
to Gex -
Geneva Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...
**1536 after Swiss expansion, border between Switzerland and Savoy. **1601 after French expansion. **1932 borders finally settled. *
Annemasse Annemasse (; Arpitan: ''Anemâsse'') is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in Eastern France. Even though it covers a relatively small territory (4.98 km2 or 1.92 sq mi), it is Haute-Savoie's second ...
-
Geneva Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...
**1536 Geneva member of the Swiss Confederation, border between Switzerland and Savoy. **1860
Savoy Savoy (; frp, Savouè ; french: Savoie ) is a cultural-historical region in the Western Alps. Situated on the cultural boundary between Occitania and Piedmont, the area extends from Lake Geneva in the north to the Dauphiné in the south. Sa ...
ceded to France by Sardinia-Piemonte. * Douvain -
Geneva Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevra ; rm, Genevra is the second-most populous city in Switzerland (after Zürich) and the most populous city of Romandy, the French-speaking part of Switzerland. Situa ...
**1569 Chablais returns to Savoy, border between Switzerland and Savoy. **1860 Savoy ceded to France by Sardinia-Piemonte. *From
Thonon-les-Bains Thonon-les-Bains (; frp, Tonon), often simply referred to as Thonon, is a subprefecture of the Haute-Savoie department in the Auvergne-Rhône-Alpes region in Eastern France. In 2018, the commune had a population of 35,241. Thonon-les-Bains ...
-
Monthey Monthey (; frp, Montê) is the capital of the district of Monthey in the canton of Valais in Switzerland. History The castle in the town center was built in 950 on a hill, the first houses of Monthey surrounded it. Monthey is first mention ...
to
Chamonix-Mont-Blanc Chamonix-Mont-Blanc ( frp, Chamôni), more commonly known as Chamonix, is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region of southeastern France. It was the site of the first Winter Olympics in 1924. In 2019, it had ...
-
Martigny Martigny (; german: Martinach, ; la, Octodurum) is the capital city of the district of Martigny, canton of Valais, Switzerland. It lies at an elevation of , and its population is approximately 15000 inhabitants (''Martignerains'' or "Octoduriens ...
**15th/16th century, after Swiss expansion, border between Switzerland and Savoy. **1860 Savoy ceded to France by Sardinia-Piemonte.


France–Italy

*
Chamonix-Mont-Blanc Chamonix-Mont-Blanc ( frp, Chamôni), more commonly known as Chamonix, is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region of southeastern France. It was the site of the first Winter Olympics in 1924. In 2019, it had ...
-
Courmayeur Courmayeur (; Valdôtain: ) is a town and '' comune'' in northern Italy, in the autonomous region of Aosta Valley. History The toponym ''Courmayeur'' has been mentioned as ''Curia majori'' (1233–1381), ''Corte Maggiore'' (1620), ''Cormoyeu'' (1 ...
**1860 Savoy ceded to France by Sardinia-Piemonte. *
Bourg-Saint-Maurice Bourg-Saint-Maurice (; Arpitan: ''Bôrg-Sant-Mori'' or simply ''Le Bôrg''), popularly known as Bourg, is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in Southeastern France. Located on the Italian border south of Cham ...
-
Susa Susa ( ; Middle elx, 𒀸𒋗𒊺𒂗, translit=Šušen; Middle and Neo- elx, 𒋢𒋢𒌦, translit=Šušun; Neo- Elamite and Achaemenid elx, 𒀸𒋗𒐼𒀭, translit=Šušán; Achaemenid elx, 𒀸𒋗𒐼, translit=Šušá; fa, شوش ...
**1st millennium, Border between Italy and Burgundy. **1860 Savoy ceded to France by Sardinia-Piemonte. *
Briançon Briançon (, ) is the sole subprefecture of the Hautes-Alpes department in the Provence-Alpes-Côte d'Azur region in Southeastern France. It is the highest city in France at an altitude of , based on the national definition as a community cont ...
-
Cesana Torinese Cesana Torinese (French ''Césanne'') is a ''comune'' (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about west of Turin, on the border with France. Cesana is a popular winter ski resort, being connected ...
**1st millennium, Border between Italy and Burgundy. **1349 France buys
Dauphiné The Dauphiné (, ) is a former province in Southeastern France, whose area roughly corresponded to that of the present departments of Isère, Drôme and Hautes-Alpes. The Dauphiné was originally the Dauphiné of Viennois. In the 12th centu ...
from the heir, border between France and Germany (Savoy and Saluzzo). **1860 after Italian unification. *
Barcelonette Barcelonnette (; oc, Barciloneta de Provença, also ; obsolete it, Barcellonetta) is a commune of France and a subprefecture in the department of Alpes-de-Haute-Provence, in the Provence-Alpes-Côte d'Azur region. It is located in the souther ...
-
Demonte Demonte is a ''comune'' (municipality) in the Province of Cuneo in the Italian region Piedmont, located about southwest of Turin and about southwest of Cuneo, in the Valle Stura di Demonte. Demonte borders the following municipalities: Aisone, ...
**1st millennium, Border between Italy and Burgundy. **1481, Provence inherited by the king of France, border between France and Germany (Savoy and Saluzzo). **1860 after Italian unification. *From Isola -
Vinadio Vinadio ( oc, Vinai) is a '' comune'' (municipality) in the Province of Cuneo in the Italian region of Piedmont, located about southwest of Turin and about southwest of Cuneo, on the border with France. It is located along the Stura di Demonte r ...
to
Sospel Sospel (; Mentonasc: Sospèl, Italian Sospello) is a commune (municipality) and former schismatic episcopal seat (1381-1418) in the Alpes-Maritimes department in southeastern France near the Italian border and not far from Monte Carlo. Hist ...
-
Camporosso Camporosso ( lij, Campurussu) is a ''comune'' (municipality) in the Province of Imperia in the Italian region Liguria, located about southwest of Genoa and about west of Imperia. Camporosso borders the following municipalities: Dolceacqua, ...
**1860
Italian unification The unification of Italy ( it, Unità d'Italia ), also known as the ''Risorgimento'' (, ; ), was the 19th-century political and social movement that resulted in the consolidation of different states of the Italian Peninsula into a single ...
and
Nice Nice ( , ; Niçard: , classical norm, or , nonstandard, ; it, Nizza ; lij, Nissa; grc, Νίκαια; la, Nicaea) is the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative ...
ceded to France. *
Menton Menton (; , written ''Menton'' in classical norm or ''Mentan'' in Mistralian norm; it, Mentone ) is a commune in the Alpes-Maritimes department in the Provence-Alpes-Côte d'Azur region on the French Riviera, close to the Italian border. Me ...
-
Ventimiglia Ventimiglia (; lij, label= Intemelio, Ventemiglia , lij, label= Genoese, Vintimiggia; french: Vintimille ; oc, label= Provençal, Ventemilha ) is a resort town in the province of Imperia, Liguria, northern Italy. It is located southwest of ...
**1860 Italian unification, border between Italy and Mentone. **1861 Mentone annexed by France.


France–Monaco

**1848/1861 Revolt in Monaco's hinterland, France annexes rebel territory.


France–Spain

*From
Banyuls-sur-Mer Banyuls-sur-Mer (; ) is a commune in the Pyrénées-Orientales department in southern France. It was first settled by Greeks starting in 400 BCE. Geography Location Banyuls-sur-Mer is located in the canton of La Côte Vermeille and in the ar ...
- Llanca to
Bourg-Madame Bourg-Madame (; ca, La Guingueta d'Ix) is a commune in the Pyrénées-Orientales department in southern France. Geography Localisation Bourg-Madame is located in the canton of Les Pyrénées catalanes and in the arrondissement of Prades. I ...
-
Puigcerdà Puigcerdà (; es, Puigcerdá) is the capital of the '' Catalan comarca'' of Cerdanya, in the province of Girona, Catalonia, northern Spain, near the Segre River and on the border with France (it abuts directly onto the French town of Bourg-Ma ...
**1659 at the
Treaty of the Pyrenees The Treaty of the Pyrenees (french: Traité des Pyrénées; es, Tratado de los Pirineos; ca, Tractat dels Pirineus) was signed on 7 November 1659 on Pheasant Island, and ended the Franco-Spanish War that had begun in 1635. Negotiations were ...
ending the Franco-Spanish War. * Saint-Girons -
Rialp Rialp is a village in the province of Lleida and autonomous community of Catalonia, Spain. References External links Government data pages Municipalities in Pallars Sobirà {{Lleida-geo-stub ...
**985 France doesn't help its province Barcelona against the Saracens, border between France and Barcelona. **1479 Aragon and Castile are unified and become known as Spain. *From
Bagnères-de-Luchon Bagnères-de-Luchon (; oc, Banhèras de Luishon), also referred to as just Luchon, is a commune and spa town in the Haute-Garonne department in the Occitanie region of south-western France. The inhabitants of the commune are known as ''Lucho ...
- Vielha to
Cauterets Cauterets (; in Occitan ''Cautarés'', in Catalan ''Cautarés'', in Aragonese ''Cautarès'') is a spa town, a ski resort and a commune in the Hautes-Pyrénées department and the region of Occitanie in south-western France. Geography Cauteret ...
-
Sallent de Gállego Sallent de Gállego (in Aragonese: ''Sallent de Galligo'' or ''Sallén de Galligo'') is a municipality located in the province of Huesca, Aragon, Spain. The town is located in the central Pyrenees besides the reservoir of Lanuza on the foot o ...
**843 at the Treaty of Verdun, border between France and Aragon. **1479 Aragon and Castile are unified and become known as Spain. *
Urdos Urdos is a commune in the Pyrénées-Atlantiques department in south-western France. Its station on the Pau–Canfranc railway was closed after an accident in 1970. See also *Communes of the Pyrénées-Atlantiques department The following ...
-
Canfranc Canfranc () is a municipality in the Aragón Valley of north-eastern Spain consisting of two villages, the original village and ''Canfranc Estación'', which developed with the establishment of Canfranc International railway station to serve railw ...
**843 at the Treaty of Verdun, border between France and Aragon. (French possession of
Béarn The Béarn (; ; oc, Bearn or ''Biarn''; eu, Bearno or ''Biarno''; or ''Bearnia'') is one of the traditional provinces of France, located in the Pyrenees mountains and in the plain at their feet, in southwest France. Along with the three B ...
was disputed until 1620). **1479 Aragon and Castile are unified and become known as Spain. * Arette - Isaba **843 at the Treaty of Verdun, Border between France and Pamplona. **1512 Castile (Spain) annexes southern Navarra. *
Saint-Étienne-de-Baïgorry Saint-Étienne-de-Baïgorry (; eu, Baigorri)BAIGORRI
Baztan **1512 Castile (Spain) annexes southern Navarra, border between Castile (Spain) and Lower Navarre. **1620 France annexes Lower Navarre. * Cambo-les-Bains - Baztan **843 at the Treaty of Verdun, Border between France and Pamplona. **1512 Castile (Spain) annexes southern Navarra. *
Hendaye Hendaye ( Basque: ''Hendaia'')HENDAIA
Irun **843 at the Treaty of Verdun, Border between France and Pamplona. **1479 Aragon and Castile are unified and become known as Spain.


France–Germany

**17th century **1871, German unification,
Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an e ...
annexes Alsace-Lorraine in the Franco-Prussian War. **1919, the
Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1 ...
returns Alsace-Lorraine to France.


France–Luxembourg

*
Esch-sur-Alzette Esch-sur-Alzette (; lb, Esch-Uelzecht ; german: Esch an der Alzette or ''Esch an der Alzig'') is the second city of the Grand Duchy of Luxembourg and the country's second-most populous commune, with a population of 35,040 inhabitants, . It lies ...
-
Villerupt Villerupt (; lb, Weller) is a commune in the Meurthe-et-Moselle department in north-eastern France. A festival takes place in the commune each year in October-November. Population Notable people from Villerupt * Aurélie Filippetti * Oliv ...
**Middle Ages, between Luxembourg and Bar. **1659 at the
Treaty of the Pyrenees The Treaty of the Pyrenees (french: Traité des Pyrénées; es, Tratado de los Pirineos; ca, Tractat dels Pirineus) was signed on 7 November 1659 on Pheasant Island, and ended the Franco-Spanish War that had begun in 1635. Negotiations were ...
, between France and Spain. **1839 at the Treaty of London. *
Dudelange Dudelange (; lb, Diddeleng , german: Düdelingen) is a commune with town status in southern Luxembourg. It is the fourth-most populous commune, with 19,734 inhabitants. Dudelange is situated close to the border with France. , the town of Dudela ...
-
Thionville Thionville (; ; german: Diedenhofen ) is a city in the northeastern French department of Moselle. The city is located on the left bank of the river Moselle, opposite its suburb Yutz. History Thionville was settled as early as the time of th ...
**1659 at the Treaty of the Pyrenees, between France and Spain. **1839 at the Treaty of London. *
Schengen The Schengen Area ( , ) is an area comprising 27 European countries that have officially abolished all passport and all other types of border control at their mutual borders. Being an element within the wider area of freedom, security and ...
- Sierck-les-Bains **Middle Ages, between Luxembourg and Lorraine. **1661 at the Treaty of Vincennes, between France and Spain. **1839 at the Treaty of London.


France–UK

*
Calais Calais ( , , traditionally , ) is a port city in the Pas-de-Calais department, of which it is a subprefecture. Although Calais is by far the largest city in Pas-de-Calais, the department's prefecture is its third-largest city of Arras. Th ...
-
Dover Dover () is a town and major ferry port in Kent, South East England. It faces France across the Strait of Dover, the narrowest part of the English Channel at from Cap Gris Nez in France. It lies south-east of Canterbury and east of Maids ...


Georgia–Russia

*From
Tbilisi Tbilisi ( ; ka, თბილისი ), in some languages still known by its pre-1936 name Tiflis ( ), is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of approximately 1.5 million pe ...
-
Makhachkala Makhachkala ( rus, Махачкала, , məxətɕkɐˈla, links=yes),; av, Махӏачхъала, Maħaçqala; ce, ХӀинжа-ГӀала, Hinƶa-Ġala; az, Маһачгала, Mahaçqala; nog, Махачкала; lbe, Махачкъала; ...
to
Kutaisi Kutaisi (, ka, ქუთაისი ) is one of the oldest continuously inhabited cities in the world and the third-most populous city in Georgia, traditionally, second in importance, after the capital city of Tbilisi. Situated west of Tbil ...
-
Vladikavkaz Vladikavkaz (russian: Владикавка́з, , os, Дзæуджыхъæу, translit=Dzæwdžyqæw, ;), formerly known as Ordzhonikidze () and Dzaudzhikau (), is the capital city of the Republic of North Ossetia-Alania, Russia. It is located i ...
**1991 dissolution of the Soviet Union. *
Kutaisi Kutaisi (, ka, ქუთაისი ) is one of the oldest continuously inhabited cities in the world and the third-most populous city in Georgia, traditionally, second in importance, after the capital city of Tbilisi. Situated west of Tbil ...
-
Nalchik Nalchik (russian: Нальчик, p=ˈnalʲtɕɪk; Kabardian: //; krc, Нальчик //) is the capital city of the Kabardino-Balkarian Republic, Russia, situated at an altitude of in the foothills of the Caucasus Mountains; about northw ...
**1001, Georgia acquires
Abkhazia Abkhazia, ka, აფხაზეთი, tr, , xmf, აბჟუა, abzhua, or ( or ), officially the Republic of Abkhazia, is a partially recognised state in the South Caucasus, recognised by most countries as part of Georgia, which ...
, border between Georgia and
Alania Alania was a medieval kingdom of the Iranian Alans (proto-Ossetians) that flourished in the Northern Caucasus, roughly in the location of latter-day Circassia, Chechnya, Ingushetia, and modern North Ossetia–Alania, from its independence from ...
. **1557 Russia conquers
Kabardino-Balkaria The Kabardino-Balkarian Republic (russian: Кабарди́но-Балка́рская Респу́блика, ''Kabardino-Balkarskaya Respublika''; kbd, Къэбэрдей-Балъкъэр Республикэ, ''Ķêbêrdej-Baĺķêr Respublik ...
, border between Russia and the Ottoman Empire. **1991 dissolution of the Soviet Union. *
Sukhumi Sukhumi (russian: Суху́м(и), ) or Sokhumi ( ka, სოხუმი, ), also known by its Abkhaz name Aqwa ( ab, Аҟәа, ''Aqwa''), is a city in a wide bay on the Black Sea's eastern coast. It is both the capital and largest city of ...
-
Cherkessk Cherkessk (russian: Черке́сск) is the capital city of Karachay-Cherkessia, Russia, as well as its political, economic, and cultural center. Population: It was previously known as ''Batalpashinskaya'' (until 1931), ''Batalpashinsk'' (un ...
**1001, Georgia acquires Abkhazia, border between Georgia and Alania. **1991 dissolution of the Soviet Union. *
Sukhumi Sukhumi (russian: Суху́м(и), ) or Sokhumi ( ka, სოხუმი, ), also known by its Abkhaz name Aqwa ( ab, Аҟәа, ''Aqwa''), is a city in a wide bay on the Black Sea's eastern coast. It is both the capital and largest city of ...
-
Sochi Sochi ( rus, Со́чи, p=ˈsotɕɪ, a=Ru-Сочи.ogg) is the largest resort city in Russia. The city is situated on the Sochi River, along the Black Sea in Southern Russia, with a population of 466,078 residents, up to 600,000 residents i ...
**15th century, border between Georgia and the Ubykhs. **1991 dissolution of the Soviet Union.


Germany–Luxembourg

**1815 at the Treaty of Vienna, between the (united) Netherlands and Prussia (German Confederation). **1839 at the Treaty of London, between Luxembourg and Prussia (German Confederation).


Germany–Netherlands

*From
Aachen Aachen ( ; ; Aachen dialect: ''Oche'' ; French and traditional English: Aix-la-Chapelle; or ''Aquisgranum''; nl, Aken ; Polish: Akwizgran) is, with around 249,000 inhabitants, the 13th-largest city in North Rhine-Westphalia, and the 28th ...
- Vaals to
Kleve Kleve (; traditional en, Cleves ; nl, Kleef; french: Clèves; es, Cléveris; la, Clivia; Low Rhenish: ''Kleff'') is a town in the Lower Rhine region of northwestern Germany near the Dutch border and the River Rhine. From the 11th century ...
-
Gennep Gennep () is a municipality and a city in upper southeastern Netherlands. It lies in the very northern part of the province of Limburg, 18 km south of Nijmegen. Furthermore, it lies on the right bank of the Meuse river, and south of the forest ...
**1815 at the
Congress of Vienna The Congress of Vienna (, ) of 1814–1815 was a series of international diplomatic meetings to discuss and agree upon a possible new layout of the European political and constitutional order after the downfall of the French Emperor Napoleon ...
, between the (united) Netherlands and Prussia (German Confederation). *From Kranenburg -
Groesbeek Groesbeek () is a town and former municipality in the province of Gelderland, the Netherlands. In January 2015 the former municipality merged with Millingen aan de Rijn and Ubbergen. The larger area was known as Groesbeek until January 2016, when ...
to Bunde -
Nieuweschans Bad Nieuweschans (also ''Lange Akkeren''; ; Gronings: ''Nij-Schans''; German: ''Bad Neuschanz'') is a village in the north-eastern Netherlands on the border with Germany. It forms part of the municipality of Oldambt. Nieuweschans means "new for ...
**1648 at the peace of Westphalia, between the Netherlands and the Holy Roman Empire of the German nation.


Germany–Poland

**1945 Stalin gives Eastern Germany to Poland, border between Soviet occupied Germany and Poland set at the
Oder–Neisse line The Oder–Neisse line (german: Oder-Neiße-Grenze, pl, granica na Odrze i Nysie Łużyckiej) is the basis of most of the international border between Germany and Poland from 1990. It runs mainly along the Oder and Lusatian Neisse rivers a ...
.


Germany–Switzerland

*
Lörrach Lörrach () is a town in southwest Germany, in the valley of the Wiese, close to the French and the Swiss borders. It is the capital of the district of Lörrach in Baden-Württemberg. It is the home of a number of large employers, including ...
-
Basel , french: link=no, Bâlois(e), it, Basilese , neighboring_municipalities= Allschwil (BL), Hégenheim (FR-68), Binningen (BL), Birsfelden (BL), Bottmingen (BL), Huningue (FR-68), Münchenstein (BL), Muttenz (BL), Reinach (BL), Riehen (B ...
**1648 at the
Treaty of Westphalia The Peace of Westphalia (german: Westfälischer Friede, ) is the collective name for two peace treaties signed in October 1648 in the Westphalian cities of Osnabrück and Münster. They ended the Thirty Years' War (1618–1648) and brought ...
. *From Rheinfelden to Laufenburg **1806 at the
German Mediatisation German mediatisation (; german: deutsche Mediatisierung) was the major territorial restructuring that took place between 1802 and 1814 in Germany and the surrounding region by means of the mass mediatisation and secularisation of a large numbe ...
(Reichsdeputationshauptschluss), between the Confederation of the Rhine (Germany) and the Republic of Helvetia (Switzerland). *From
Waldshut-Tiengen Waldshut-Tiengen (; gsw, label= Alemannic, Waldshuet-Düenge, italic=no), commonly known as Waldshut, is a city in southwestern Baden-Württemberg right at the Swiss border. It is the district seat and at the same time the biggest city in Waldsh ...
- Döttingen to the
Bodensee Lake Constance (german: Bodensee, ) refers to three bodies of water on the Rhine at the northern foot of the Alps: Upper Lake Constance (''Obersee''), Lower Lake Constance (''Untersee''), and a connecting stretch of the Rhine, called the Lak ...
**1648 at the Treaty of Westphalia.


Greece–North Macedonia

** 1913 at the Treaty of London, border between Greece and Serbia.


Greece–Turkey

** 1913 at the Treaty of London, border between Bulgaria and the Ottoman Empire (Turkey). ** 1923 at the Treaty of Lausanne ending the Greco-Turkish War.


Hungary–Romania

**1920 at the
Treaty of Trianon The Treaty of Trianon (french: Traité de Trianon, hu, Trianoni békeszerződés, it, Trattato del Trianon) was prepared at the Paris Peace Conference and was signed in the Grand Trianon château in Versailles on 4 June 1920. It forma ...
.


Hungary–Slovakia

**1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.


Hungary–Serbia

**1920 at the Treaty of Trianon, border between Hungary and Yugoslavia.


Hungary–Slovenia

**1920 at the Treaty of Trianon, border between Hungary and Yugoslavia. **1991 Slovenian independence.


Hungary–Ukraine

**1920 at the Treaty of Trianon, border between Hungary and Czechoslovakia.


Ireland–UK

**1921 Independence of Ireland.


Italy–San Marino

**1st millennium/1631, border between San Marino and Papal States. **1860 Italian nationalists conquer the eastern Papal States.


Italy–Slovenia

*
Tarvisio Tarvisio (German and fur, Tarvis, sl, Trbiž) is a comune in the northeastern part of the autonomous Friuli Venezia Giulia region in Italy. Geography The town is in the Canal Valley (''Val Canale'') between the Carnic Alps and Karawanks rang ...
-
Kranjska Gora Kranjska Gora (; german: Kronau) is a town in northwestern Slovenia, on the Sava Dolinka River in the Upper Carniola region, close to the Austrian and Italian borders. It is the seat of the Municipality of Kranjska Gora. Name Kranjska Gora wa ...
**1919 at the Treaty of Saint-Germain, border between Italy and Yugoslavia. **1991 Slovenian declaration of independence. *From Cave del Predil -
Strmec na Predelu Strmec na Predelu (; it, Bretto di Sopra) is a settlement in the Municipality of Bovec in the Littoral region of Slovenia. It lies on the road to the Predel Pass. Another road, distinguished by being the road built at the highest elevation in ...
to
Gorizia Gorizia (; sl, Gorica , colloquially 'old Gorizia' to distinguish it from Nova Gorica; fur, label= Standard Friulian, Gurize, fur, label= Southeastern Friulian, Guriza; vec, label= Bisiacco, Gorisia; german: Görz ; obsolete English ''Gori ...
-
Nova Gorica A nova (plural novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", which is Latin for "new") that slowly fades over weeks or months. Causes of the dramat ...
**1947 at the Treaty of Paris, border between Italy and Yugoslavia. *
Trieste Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into pr ...
-
Postojna Postojna (; german: Adelsberg, it, Postumia) is a town in the traditional region of Inner Carniola, from Trieste, in southwestern Slovenia. It is the seat of the Municipality of Postojna.
**1954 Free state Trieste dissolved, border between Italy and Yugoslavia.


Italy–Switzerland

*
Aosta Aosta (, , ; french: Aoste , formerly ; frp, Aoûta , ''Veulla'' or ''Ouhta'' ; lat, Augusta Praetoria Salassorum; wae, Augschtal; pms, Osta) is the principal city of Aosta Valley, a bilingual region in the Italian Alps, north-northwest o ...
-
Martigny Martigny (; german: Martinach, ; la, Octodurum) is the capital city of the district of Martigny, canton of Valais, Switzerland. It lies at an elevation of , and its population is approximately 15000 inhabitants (''Martignerains'' or "Octoduriens ...
**1477 Swiss ally Valais conquers Martigny, border between Switzerland and Savoy. **1860 Italian unification. *
Valtournenche Valtournenche (local Valdôtain: ) is a town and '' comune'' in the Aosta Valley region of north-western Italy, above the sea level. It is named after and covers most of the ''Valtournenche'', a valley on the left side of the Dora Baltea, from ...
-
Zermatt Zermatt () is a municipality in the district of Visp in the German-speaking section of the canton of Valais in Switzerland. It has a year-round population of about 5,800 and is classified as a town by the Swiss Federal Statistical Office (FSO) ...
**1416 Valais allies with Switzerland, border between Switzerland and Savoy. **1860 Italian unification. *
Domodossola Domodossola (; Lombard: Dòm) is a city and ''comune'' in the Province of Verbano-Cusio-Ossola, in the region of Piedmont, northern Italy. It was also known as Oscela, Oscella, Oscella dei Leponzi, Ossolo, Ossola Lepontiorum, and Domo d'Ossola ...
-
Brig A brig is a type of sailing vessel defined by its rig: two masts which are both square-rigged. Brigs originated in the second half of the 18th century and were a common type of smaller merchant vessel or warship from then until the latter part ...
**1st millennium, border between Italy and Burgundy. **1416 Valais allies with Switzerland, border between Switzerland and Milan. **1860 Italian unification. *From
Domodossola Domodossola (; Lombard: Dòm) is a city and ''comune'' in the Province of Verbano-Cusio-Ossola, in the region of Piedmont, northern Italy. It was also known as Oscela, Oscella, Oscella dei Leponzi, Ossolo, Ossola Lepontiorum, and Domo d'Ossola ...
-
Locarno , neighboring_municipalities= Ascona, Avegno, Cadenazzo, Cugnasco, Gerra (Verzasca), Gambarogno, Gordola, Lavertezzo, Losone, Minusio, Muralto, Orselina, Tegna, Tenero-Contra , twintowns =* Gagra, Georgia * Karlovy Vary, Czech ...
to Porlezza -
Lugano Lugano (, , ; lmo, label= Ticinese, Lugan ) is a city and municipality in Switzerland, part of the Lugano District in the canton of Ticino. It is the largest city of both Ticino and the Italian-speaking southern Switzerland. Lugano has a populat ...
**1512 after Swiss conquest of Milan, border between Switzerland and Milan. **1860 Italian unification. *From Madesimo -
Splügen Splügen ( Romansh: ''Spleia'', Italian: ''Spluga'') is a former municipality in the Viamala Region in the Swiss canton of Graubünden. On 1 January 2006 Splügen incorporated its neighbouring municipality of Medels im Rheinwald. On 1 January ...
to
Livigno Livigno (; local lmo, Livígn ; german: Luwin) is a town, ''comune'' and a special-administered territory in the province of Sondrio, in the region of Lombardy, Italy, located in the Italian Alps, near the Swiss border. History Livigno's firs ...
- Zernez **1st millennium, border between Italy and the Frankish Empire. **1497/1498 Grissons allies with Switzerland, border between Switzerland and Milan. **1860 Italian unification. * Taufers im Münstertal -
Müstair Müstair is a village in the Val Müstair municipality in the district of Inn in the Swiss canton of Graubünden. In 2009 Müstair merged with Fuldera, Lü, Switzerland, Santa Maria Val Müstair, Tschierv and Valchava to form Val Müstair.
**1497/1498 Grissons allies with Switzerland, border between Switzerland and the Habsburg territories. **1919 at the Treaty of Saint-Germain.


Italy–Vatican City

**1929
Lateran Treaty The Lateran Treaty ( it, Patti Lateranensi; la, Pacta Lateranensia) was one component of the Lateran Pacts of 1929, agreements between the Kingdom of Italy under King Victor Emmanuel III of Italy and the Holy See under Pope Pius XI to settl ...


Latvia–Lithuania

**1236 Lithuanian state established, border between Lithuania and other Balts. **1918 Lithuanian and Latvian independence.


Lithuania–Belarus

**1991 Belarusian and Lithuanian independence.


Lithuania–Poland

** 1919 at the Treaty of Versailles.


Lithuania–Russia

*
Kybartai Kybartai (; russian: Кибартай) is a city in Marijampolė County, Lithuania. It is located west of Vilkaviškis and is on the border of Kaliningrad Oblast, Russia. History Kybartai was founded under the reign of Sigismund I the Old ...
- Gusev **13th century, border between Lithuania and the Baltic Prussians. **1991 dissolution of the Soviet Union. *
Tauragė Tauragė (; see other names) is an industrial city in Lithuania, and the capital of Tauragė County. In 2020, its population was 21,520. Tauragė is situated on the Jūra River, close to the border with the Kaliningrad Oblast, and not far fro ...
- Sovetsk **1923 after Lithuanian annexation, border between Lithuania and Germany. **1991 dissolution of the Soviet Union.


Latvia–Russia

*
Rēzekne Rēzekne (, ; German: ''Rositten'') is a state city in the Rēzekne River valley in Latgale region of eastern Latvia. It is called ''The Heart of Latgale'' (Latvian ''Latgales sirds'', Latgalian ''Latgolys sirds''). Built on seven hills, Rēzekn ...
-
Pskov Pskov ( rus, Псков, a=pskov-ru.ogg, p=pskof; see also names in other languages) is a city in northwestern Russia and the administrative center of Pskov Oblast, located about east of the Estonian border, on the Velikaya River. Population ...
**1510, Russian conquest of Pskov, border between Russia and the German Order. **1991 dissolution of the Soviet Union. *
Rēzekne Rēzekne (, ; German: ''Rositten'') is a state city in the Rēzekne River valley in Latgale region of eastern Latvia. It is called ''The Heart of Latgale'' (Latvian ''Latgales sirds'', Latgalian ''Latgolys sirds''). Built on seven hills, Rēzekn ...
- Sebez **1920 peace between Latvia and the Soviet Union. **1991 dissolution of the Soviet Union.


Liechtenstein–Switzerland

*
Vaduz Vaduz ( or , High Alemannic pronunciation: [])Hans Stricker, Toni Banzer, Herbert Hilbe: ''Liechtensteiner Namenbuch. Die Orts- und Flurnamen des Fürstentums Liechtenstein.'' Band 2: ''Die Namen der Gemeinden Triesenberg, Vaduz, Schaan.'' Hrsg. ...
-
Igis Igis ''( Romansh: Eigias)'' is a former municipality in the district of Landquart in the Swiss canton of Graubünden. Far better known than its proper name Igis is its hamlet Landquart, because of its Rail Station and motorway exit. The municip ...
**1497/1498 Grissons allies with Switzerland, border between Switzerland and Brandis. **1719 Creation of Liechtenstein. *
Vaduz Vaduz ( or , High Alemannic pronunciation: [])Hans Stricker, Toni Banzer, Herbert Hilbe: ''Liechtensteiner Namenbuch. Die Orts- und Flurnamen des Fürstentums Liechtenstein.'' Band 2: ''Die Namen der Gemeinden Triesenberg, Vaduz, Schaan.'' Hrsg. ...
-
Mels Mels is a municipality in the ''Wahlkreis'' (constituency) of Sarganserland in the Seeztal, canton of St. Gallen, Switzerland. History Mels is first mentioned in 765 as ''Maile'' though this comes from a later copy of the original document. In ...
**1436 Inhabitants of Sargans become citizens of Swiss Zürich, border between Switzerland and Brandis. **1719 Creation of Liechtenstein. *
Vaduz Vaduz ( or , High Alemannic pronunciation: [])Hans Stricker, Toni Banzer, Herbert Hilbe: ''Liechtensteiner Namenbuch. Die Orts- und Flurnamen des Fürstentums Liechtenstein.'' Band 2: ''Die Namen der Gemeinden Triesenberg, Vaduz, Schaan.'' Hrsg. ...
- Buchs **1485 Swiss Luzern buys Werdenberg, border between Switzerland and Brandis. **1719 Creation of Liechtenstein. *
Bendern Bendern is a village of Liechtenstein, together with the town of Gamprin it forms in the municipality of Gamprin. It is the third smallest in the country, with an area of 6,19 km2 and a total population of 1664 people (as of 2015). The villa ...
- Salez **1458 Lords of Sax-Forstegg ally with Switzerland, border between Switzerland and Brandis. **1719 Creation of Liechtenstein.


Moldova–Romania

*
Bălți Bălți (; russian: Бельцы, , uk, Бєльці, , yi, בעלץ ) is a city in Moldova. It is the second largest city in terms of population, area and economic importance, after Chișinău. The city is one of the five Moldovan municipalit ...
-
Iași Iași ( , , ; also known by other alternative names), also referred to mostly historically as Jassy ( , ), is the second largest city in Romania and the seat of Iași County. Located in the historical region of Moldavia, it has traditionally ...
**1859 formation of Romania, border between Romania and Russia. **1991 Moldovan independence. *
Cahul Cahul (; also known by other alternative names) is a city and municipality in southern Moldova. The city is the administrative center of Cahul District; it also administers one village, Cotihana. As of 2014 census, the city has had a population ...
-
Brăila Brăila (, also , ) is a city in Muntenia, eastern Romania, a port on the Danube and the capital of Brăila County. The Sud-Est (development region), ''Sud-Est'' Regional Development Agency is located in Brăila. According to the 2011 Romanian ...
**1878 after Russian annexation of Southern Bessarabia, border between Romania and Russia. **1991 Moldovan independence.


Moldova–Ukraine

**1991 Moldovan and Ukrainian independence.


Montenegro–Serbia

**1913 at the Treaty of London.


North Macedonia–Serbia

**1991 Independence for the Republic of Macedonia, border between the Republic of Macedonia and Yugoslavia.


Norway–Russia

** 1326 Novgorod Republic which later Became Russia 1826 borders fixed between Russia and Norway, border between Russia and Sweden-Norway.


Norway–Sweden

*Against
Bohuslän Bohuslän (; da, Bohuslen; no, Båhuslen) is a Swedish province in Götaland, on the northernmost part of the country's west coast. It is bordered by Dalsland to the northeast, Västergötland to the southeast, the Skagerrak arm of the North ...
(from The Iddefjord to near a line between Halden - Ed) **1658 at the
Treaty of Roskilde The Treaty of Roskilde (concluded on 26 February ( OS), or 8 March 1658) ( NS) during the Second Northern War between Frederick III of Denmark–Norway and Karl X Gustav of Sweden in the Danish city of Roskilde. After a devastating defeat ...
ending the
Second Northern War The Second Northern War (1655–60), (also First or Little Northern War) was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth (1655–60), the Tsardom of Russia ( 1656–58), Brandenburg-Prussia (1657–60), the ...
, border between Sweden and Denmark-Norway. *From
Halden Halden (), between 1665 and 1928 known as Fredrikshald, is both a town and a municipality in Viken county, Norway. The municipality borders Sarpsborg to the northwest, Rakkestad to the north and Aremark to the east, as well as the Swedish ...
- Ed to around Trysil - Särna **probably 10th and 11th centuries *From
Trysil Trysil is a municipality in Innlandet county, Norway. It is located in the traditional district of Østerdalen. The administrative centre of the municipality is the village of Innbygda. Other villages in the municipality include Nybergsund, ...
-
Särna Särna (Elfdalian: ''Sjär’n'') is a locality situated in Älvdalen Municipality, Dalarna County, Sweden with 719 inhabitants in 2010. History The two parishes ''Särna'' and ''Idre'' were originally part of Norway but were occupied by an exped ...
to around Gäddede **1645 at the Treaty of Brömsebro ending the
Torstenson War The Torstenson war, Hannibal controversy or Hannibal War ( no, Hannibalsfeiden) was a short period of conflict between Sweden and Denmark–Norway from 1643 to 1645 towards the end of the Thirty Years' War. The names refer to Swedish general ...
, new border between Sweden and Denmark-Norway. *From Gäddede almost to
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
**16th century, the
drainage divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a singl ...
line between the Atlantic and the Baltic was used as border between Sweden-Finland and Denmark-Norway. *Precisely defined, 1751 by a treaty, after which border cairns were erected. *1809, the part now belonging to Finland was ceded from Sweden to Russia and therefore was no longer part of the Norway–Sweden border.


Poland–Slovakia

**10th/11th century, border between Poland and Hungary.


Poland–Russia

** 1945 Stalin divides German East Prussia, border between Poland and the Soviet Union.


Poland–Ukraine

*From
Chełm Chełm (; uk, Холм, Kholm; german: Cholm; yi, כעלם, Khelm) is a city in southeastern Poland with 60,231 inhabitants as of December 2021. It is located to the south-east of Lublin, north of Zamość and south of Biała Podlaska, some ...
-
Kovel Kovel (, ; pl, Kowel; yi, קאוולע / קאוולי ) is a city in Volyn Oblast (province), in northwestern Ukraine. It serves as the administrative center of Kovel Raion (district). Population: Kovel gives its name to one of the oldest ru ...
to
Przemyśl Przemyśl (; yi, פשעמישל, Pshemishl; uk, Перемишль, Peremyshl; german: Premissel) is a city in southeastern Poland with 58,721 inhabitants, as of December 2021. In 1999, it became part of the Subcarpathian Voivodeship; it was p ...
-
Sambir Sambir ( uk, Самбір, pl, Sambor, yi, סאמבאָר, Sambor) is a city in Sambir Raion, Lviv Oblast, Ukraine. It serves as the administrative center of Sambir Raion (district) and is located close to the border with Poland. Sambir hosts ...
**1945 after the annexation of East Poland by Stalin, border between Poland and the Soviet Union. **1991 Ukrainian independence. * Kremenaros-Krzemieniec -
Uzhok Pass Uzhok Pass ( ua, Ужоцький перевал, hu, Uzsoki-hágó) is a mountain pass in the north-eastern Carpathian Mountains in Ukraine through the Vodorazdel'nyy backbone. It located on a ridge at high. It is located on the border of St ...
**11th century, border between Poland and Hungary. **1991 Ukrainian independence.


Portugal–Spain

* From Faro -
Huelva Huelva (, ) is a city in southwestern Spain, the capital of the province of Huelva in the autonomous community of Andalusia. It is between two short rias though has an outlying spur including nature reserve on the Gulf of Cádiz coast. The ria ...
to Portalegre - Cáceres ** 12th/13th century, conquered by Portugal, border between Portugal and León/Castile. ** 1479 Union between Castile and Aragon, the beginning of Spain. * From Guarda -
Salamanca Salamanca () is a city in western Spain and is the capital of the Province of Salamanca in the autonomous community of Castile and León. The city lies on several rolling hills by the Tormes River. Its Old City was declared a UNESCO World Herit ...
to
Braga Braga ( , ; cel-x-proto, Bracara) is a city and a municipality, capital of the northwestern Portuguese district of Braga and of the historical and cultural Minho Province. Braga Municipality has a resident population of 193,333 inhabitants (in ...
-
Vigo Vigo ( , , , ) is a city and municipality in the province of Pontevedra, within the autonomous community of Galicia, Spain. Located in the northwest of the Iberian Peninsula, it sits on the southern shore of an inlet of the Atlantic Ocean, the ...
** 1139 Portugal becomes independent from León-Castile, border between Portugal and León-Castile. ** 1479 Union between Castile and Aragon, the beginning of Spain. ** 1864
Treaty of Lisbon The Treaty of Lisbon (initially known as the Reform Treaty) is an international agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by the EU member s ...
sets border.


Romania–Ukraine

*
Sighetu Marmației Sighetu Marmației (, also spelled ''Sighetul Marmației''; german: Marmaroschsiget or ''Siget''; hu, Máramarossziget, ; uk, Сигіт, Syhit; yi, סיגעט, Siget), until 1960 Sighet, is a city ( municipality) in Maramureș County near th ...
-
Khust Khust ( uk, Хуст; hu, Huszt) is a city located on the Khustets River in Zakarpattia Oblast ( province) in western Ukraine. It is near the сonfluence of the Tisa and Rika Rivers. Serving as the administrative center of Khust Raion (distr ...
**1919 at the Treaty of Versailles, border between Romania and Czechoslovakia/Polish or Ukrainian East Galicia. **1991 Ukrainian independence. *
Suceava Suceava () is the largest urban settlement and the seat town ( ro, oraș reședință de județ) of Suceava County, situated in the historical region of Bukovina, northeastern Romania, and at the crossroads of Central and Eastern Europe. Klaus Pet ...
-
Chernivtsi Chernivtsi ( uk, Чернівці́}, ; ro, Cernăuți, ; see also other names) is a city in the historical region of Bukovina, which is now divided along the borders of Romania and Ukraine, including this city, which is situated on the u ...
**1940/1944 border between Romania and the Soviet Union. **1991 Ukrainian independence. *
Brăila Brăila (, also , ) is a city in Muntenia, eastern Romania, a port on the Danube and the capital of Brăila County. The Sud-Est (development region), ''Sud-Est'' Regional Development Agency is located in Brăila. According to the 2011 Romanian ...
-
Izmail Izmail (, , translit. ''Izmail,'' formerly Тучков ("Tuchkov"); ro, Ismail or ''Smil''; pl, Izmaił, bg, Исмаил) is a city and municipality on the Danube river in Odesa Oblast in south-western Ukraine. It serves as the administra ...
**1878 Romanian annexation of
Dobruja Dobruja or Dobrudja (; bg, Добруджа, Dobrudzha or ''Dobrudža''; ro, Dobrogea, or ; tr, Dobruca) is a historical region in the Balkans that has been divided since the 19th century between the territories of Bulgaria and Romania. I ...
, border between Romania and Russia. **1991 Ukrainian independence.


Romania–Serbia

*
Drobeta-Turnu Severin Drobeta-Turnu Severin (), colloquially Severin, is a city in Mehedinți County, Oltenia, Romania, on the northern bank of the Danube, close to the Iron Gates. "Drobeta" is the name of the ancient Dacian and Roman towns at the site, and the modern ...
-
Negotin Negotin ( sr-cyrl, Неготин, ; ro, Negotin) is a town and municipality located in the Bor District of the eastern Serbia. It is situated near the borders between Serbia, Romania and Bulgaria. It is the judicial center of the Bor District ...
**1284 after Serbian conquest, border between Serbia and Hungary. **1859 formation of Romania, border between Romania and Ottoman Empire. **1878 Serbian independence. * Anina - Bor **1284 after Serbian conquest, border between Serbia and Hungary. **1920 at the Treaty of Trianon, border between Romania and Yugoslavia. **2006 Serbian self-determination. *
Timișoara ), City of Roses ( ro, Orașul florilor), City of Parks ( ro, Orașul parcurilor) , image_map = Timisoara jud Timis.svg , map_caption = Location in Timiș County , pushpin_map = Romania#Europe , pushpin_ ...
-
Belgrade Belgrade ( , ;, ; names in other languages) is the capital and largest city in Serbia. It is located at the confluence of the Sava and Danube rivers and the crossroads of the Pannonian Plain and the Balkan Peninsula. Nearly 1,166,763 mi ...
**1920 at the Treaty of Trianon, border between Romania and Yugoslavia. **2006 Serbian self-determination.


Russia–Ukraine

**1991 dissolution of the Soviet Union.


Slovakia–Ukraine

**1991 Ukrainian independence, border between Ukraine and Czechoslovakia. **1993 Slovakian independence.


Spain–UK

*
La Línea de la Concepción La Línea de la Concepción (, more often referred to as La Línea) is a municipality of Spain belonging to the province of Cádiz, Andalusia. The city lies on the sandy isthmus which is part of the eastern flank of the Bay of Gibraltar, a ...
-
Gibraltar ) , anthem = " God Save the King" , song = "Gibraltar Anthem" , image_map = Gibraltar location in Europe.svg , map_alt = Location of Gibraltar in Europe , map_caption = United Kingdom shown in pale green , mapsize = , image_map2 = Gibr ...
**1713 at the
Treaty of Utrecht The Peace of Utrecht was a series of peace treaties signed by the belligerents in the War of the Spanish Succession, in the Dutch city of Utrecht between April 1713 and February 1715. The war involved three contenders for the vacant throne ...
ending the
War of the Spanish Succession The War of the Spanish Succession was a European great power conflict that took place from 1701 to 1714. The death of childless Charles II of Spain in November 1700 led to a struggle for control of the Spanish Empire between his heirs, Phil ...
, border between Spain and Great Britain (United Kingdom).


Asia


Afghanistan–China

**18th century


Afghanistan–Iran

**1857 Great Britain establishes the border between Persia (Iran) and Afghanistan after the Iranian defeat during the
Anglo-Persian War The Anglo-Persian War or the Anglo-Iranian War () lasted between 1 November 1856 and 4 April 1857, and was fought between the United Kingdom and Iran, which was ruled by the Qajar dynasty. The war had the British oppose an attempt by Iran to ...


Afghanistan–Pakistan

**1919 Afghanistan becomes independent from the British Empire, border between Afghanistan and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
**1947 Pakistan becomes independent from the United Kingdom


Afghanistan–Tajikistan

**1885 After Russian conquest of Panjdeh, border between Afghanistan and Russia **1991 Tajikistani independence


Afghanistan–Turkmenistan

**1885 After Russian conquest, border between Afghanistan and Russia **1991 Turkmenistani independence


Afghanistan–Uzbekistan

**1885 After Russian conquest, border between Afghanistan and Russia **1991 Uzbekistani independence


Armenia–Azerbaijan

**1991 Armenian and Azerbaijani independence.


Armenia–Georgia

**1991 Armenian and Georgian independence.


Armenia–Turkey

**1921 at the
Treaty of Kars The Treaty of Kars ( tr, Kars Antlaşması, rus, Карсский договор, Karskii dogovor, ka, ყარსის ხელშეკრულება, hy, Կարսի պայմանագիր, az, Qars müqaviləsi) was a treaty that est ...
, border between Turkey and the Soviet Union. **1991 Armenian independence.


Azerbaijan–Iran

*
Lankaran Lankaran ( az, Lənkəran, ) is a city in Azerbaijan, on the coast of the Caspian Sea, near the southern border with Iran. As of 2021, the city had a population of 89,300. It is next to, but independent of, Lankaran District. The city forms a di ...
-
Ardabil Ardabil (, fa, اردبیل, Ardabīl or ''Ardebīl'') is a city in northwestern Iran, and the capital of Ardabil Province. As of the 2022 census, Ardabil's population was 588,000. The dominant majority in the city are ethnic Iranian Azerbaija ...
**1828 at the Treaty of Turkmenchay, border between Russia and Persia (Iran). **1991 Azerbaijani independence. * Stepanakert -
Tabriz Tabriz ( fa, تبریز ; ) is a city in northwestern Iran, serving as the capital of East Azerbaijan Province. It is the sixth-most-populous city in Iran. In the Quru River valley in Iran's historic Azerbaijan region between long ridges of vo ...
**1813 at the
Treaty of Gulistan The Treaty of Gulistan (russian: Гюлистанский договор; fa, عهدنامه گلستان) was a peace treaty concluded between the Russian Empire and Iran on 24 October 1813 in the village of Gulistan (now in the Goranboy Distr ...
ending the
Russo-Persian War The Russo-Persian Wars or Russo-Iranian Wars were a series of conflicts between 1651 and 1828, concerning Persia (Iran) and the Russian Empire. Russia and Persia fought these wars over disputed governance of territories and countries in the Ca ...
, border between Russia and Persia (Iran). **1991 Azerbaijani independence. * Nakhchivan -
Tabriz Tabriz ( fa, تبریز ; ) is a city in northwestern Iran, serving as the capital of East Azerbaijan Province. It is the sixth-most-populous city in Iran. In the Quru River valley in Iran's historic Azerbaijan region between long ridges of vo ...
**1828 at the
Treaty of Turkmenchay The Treaty of Turkmenchay ( fa, عهدنامه ترکمنچای; russian: Туркманчайский договор) was an agreement between Qajar Iran and the Russian Empire, which concluded the Russo-Persian War (1826–28). It was second ...
, border between Russia and Persia (Iran). **1991 Azerbaijani independence.


Azerbaijan–Turkey

**1921 at the Treaty of Kars, border between Turkey and the Soviet Union. **1991 Azerbaijani independence.


Bangladesh–Burma

*
Chittagong Chittagong ( /ˈtʃɪt əˌɡɒŋ/ ''chit-uh-gong''; ctg, চিটাং; bn, চিটাগং), officially Chattogram ( bn, চট্টগ্রাম), is the second-largest city in Bangladesh after Dhaka and third largest city in ...
–
Mandalay Mandalay ( or ; ) is the second-largest city in Myanmar, after Yangon. Located on the east bank of the Irrawaddy River, 631km (392 miles) (Road Distance) north of Yangon, the city has a population of 1,225,553 (2014 census). Mandalay was fou ...
**1558 Burma conquers
Manipur Manipur () ( mni, Kangleipak) is a state in Northeast India, with the city of Imphal as its capital. It is bounded by the Indian states of Nagaland to the north, Mizoram to the south and Assam to the west. It also borders two regions of ...
, border between Burma and Arakan **1971 Bangladesh becomes independent from Pakistan *
Chittagong Chittagong ( /ˈtʃɪt əˌɡɒŋ/ ''chit-uh-gong''; ctg, চিটাং; bn, চিটাগং), officially Chattogram ( bn, চট্টগ্রাম), is the second-largest city in Bangladesh after Dhaka and third largest city in ...
–
Sittwe Sittwe (; ; formerly Akyab) is the capital of Rakhine State, Myanmar (Burma). Sittwe, pronounced ''sait-tway'' in the Rakhine language, is located on an estuarial island created at the confluence of the Kaladan, Mayu, and Lay Mro rivers empt ...
**1784 Burma conquers Arakan, border between Burma and Great Britain **1971 Bangladesh becomes independent from Pakistan


Bangladesh–India

**1947 Indian independence from the United Kingdom, border between India and Pakistan **1971 Bangladesh becomes independent from Pakistan after the
Bangladesh Liberation War The Bangladesh Liberation War ( bn, মুক্তিযুদ্ধ, , also known as the Bangladesh War of Independence, or simply the Liberation War in Bangladesh) was a revolution and armed conflict sparked by the rise of the Bengali ...
.


Bhutan–India

**1616 Bhutan becomes independent from Tibet, border between Bhutan and the Kamata Kingdom **1947 Indian independence


Bhutan–China

**1616 Bhutan becomes independent from
Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
, border between Bhutan and Tibet **1724 China conquers Tibet from the
Dzungars The Dzungar people (also written as Zunghar; from the Mongolian words , meaning 'left hand') were the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically they were one of major tr ...


Brunei–Malaysia

**1963 Establishment of Malaysia, border between the British protectorate of Brunei and Malaysia **1984 End of the British protectorate


Burma–India

**1826 Treaty of Yandabo, Border between Burma and the United Kingdom **1947 Indian independence, border between India and the United Kingdom **1948 Burmese independence


Burma–China

*
Myitkyina Myitkyina (, ; (Eng; ''mitchinar'') Jinghpaw: ''Myitkyina'', ) is the capital city of Kachin State in Myanmar (Burma), located from Yangon, and from Mandalay. In Burmese it means "near the big river", and Myitkyina is on the west bank of t ...
– Dsayul **11th century,
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. I ...
establishes Burma, border between Burma and the Tibetans **1724 China conquers Tibet from the
Dzungars The Dzungar people (also written as Zunghar; from the Mongolian words , meaning 'left hand') were the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically they were one of major tr ...
*
Myitkyina Myitkyina (, ; (Eng; ''mitchinar'') Jinghpaw: ''Myitkyina'', ) is the capital city of Kachin State in Myanmar (Burma), located from Yangon, and from Mandalay. In Burmese it means "near the big river", and Myitkyina is on the west bank of t ...
– Baoshan **109 BC, China conquers the Dian kingdom, border between China and the
Mon people The Mon ( mnw, ဂကူမည်; my, မွန်လူမျိုး‌, ; th, wikt:มอญ, มอญ, ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy ...
**11th century,
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. I ...
establishes Burma, border between Burma and Dali **1555 Burma conquers Upper Burma **1769 Last Chinese invasion *From
Lashio Lashio ( ; Shan: ) is the largest town in northern Shan State, Myanmar, about north-east of Mandalay. It is situated on a low mountain spur overlooking the valley of the Yaw River. Loi Leng, the highest mountain of the Shan Hills, is located ...
– Baoshan to
Kengtung th , เชียงตุง , other_name = Kyaingtong , settlement_type = Town , imagesize = , image_caption = , pushpin_map = Myanmar , pushpin_label_position = left , ...
– Simao **109 BC, China conquers the
Dian Kingdom Dian () was an ancient kingdom established by the Dian people, a non-Han Chinese metalworking civilization that inhabited around the Dian Lake plateau of central northern Yunnan, China from the late Spring and Autumn period until the Eastern Han d ...
, border between China and the
Mon people The Mon ( mnw, ဂကူမည်; my, မွန်လူမျိုး‌, ; th, wikt:มอญ, มอญ, ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy ...
**1557 Burma conquers the
Shan States The Shan States (1885–1948) were a collection of minor Shan kingdoms called '' muang'' whose rulers bore the title ''saopha'' in British Burma. They were analogous to the princely states of British India. The term "Shan States" was fi ...
**1769 Last Chinese invasion


Burma–Thailand

*
Kengtung th , เชียงตุง , other_name = Kyaingtong , settlement_type = Town , imagesize = , image_caption = , pushpin_map = Myanmar , pushpin_label_position = left , ...
–
Chang Mai Chiang Mai (, from th, เชียงใหม่ , nod, , เจียงใหม่ ), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in ...
**1557
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. I ...
(Burma) conquers the
Shan states The Shan States (1885–1948) were a collection of minor Shan kingdoms called '' muang'' whose rulers bore the title ''saopha'' in British Burma. They were analogous to the princely states of British India. The term "Shan States" was fi ...
, border between Burma and
Chiang Mai Chiang Mai (, from th, เชียงใหม่ , nod, , เจียงใหม่ ), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in ...
**1774 Thailand conquers Chiang Mai from Burma *
Rangoon Yangon ( my, ရန်ကုန်; ; ), formerly spelled as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar (also known as Burma). Yangon served as the capital of Myanmar until 2006, when the military government ...
–
Chang Mai Chiang Mai (, from th, เชียงใหม่ , nod, , เจียงใหม่ ), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in ...
**1530s or 1540s, Burma is established out of several small states, border between Burma and
Chiang Mai Chiang Mai (, from th, เชียงใหม่ , nod, , เจียงใหม่ ), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in ...
**1774 Thailand conquers Chiang Mai from Burma *
Tavoy Dawei (, ; mnw, ဓဝဲါ, ; th, ทวาย, RTGS: ''Thawai'', ; formerly known as Tavoy) is a city in south-eastern Myanmar and is the capital of the Tanintharyi Region, formerly known as the Tenasserim Division, on the northern bank of ...
–
Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populati ...
**1057
Thaton Thaton (; mnw, သဓီု ) is a town in Mon State, in southern Myanmar on the Tenasserim plains. Thaton lies along the National Highway 8 and is also connected by the National Road 85. It is 230 km south east of Yangon and 70 k ...
is conquered by
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. I ...
(Burma), border between
Pagan Paganism (from classical Latin ''pāgānus'' "rural", "rustic", later "civilian") is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Judaism. I ...
(Burma) and the Khmer Empire **16th-18th century, Burma conquers the Mon kingdoms


Cambodia–Laos

**1353 Lan Xang (Laos) becomes independent from the Khmer Empire (Cambodia)


Cambodia–Thailand

*
Phnom Penh Phnom Penh (; km, ភ្នំពេញ, ) is the capital and most populous city of Cambodia. It has been the national capital since the French protectorate of Cambodia and has grown to become the nation's primate city and its economic, indus ...
–
Udon Thani Udon Thani ( th, อุดรธานี, ) is a city in Isan ( Northeast Thailand), the capital of Udon Thani Province and with a population of approximately 430,000 in its urban area the 7th largest city in the country. The city municipality ...
**1353
Lan Xang existed as a unified kingdom from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The meaning of the kingdom's name alludes to the power of the kingship and formidable war machine of the ea ...
(Laos) becomes independent from the Khmer Empire (Cambodia), Border between the Khmer Empire and
Lan Xang existed as a unified kingdom from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The meaning of the kingdom's name alludes to the power of the kingship and formidable war machine of the ea ...
**15th or 16th century,
Ayutthaya Kingdom The Ayutthaya Kingdom (; th, อยุธยา, , IAST: or , ) was a Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. The Ayutthaya Kingdom is consi ...
(Thailand) conquers western Lan Xang *
Phnom Penh Phnom Penh (; km, ភ្នំពេញ, ) is the capital and most populous city of Cambodia. It has been the national capital since the French protectorate of Cambodia and has grown to become the nation's primate city and its economic, indus ...
–
Bangkok Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estimated populati ...
**14th/15th century,
Ayutthaya Kingdom The Ayutthaya Kingdom (; th, อยุธยา, , IAST: or , ) was a Siamese kingdom that existed in Southeast Asia from 1351 to 1767, centered around the city of Ayutthaya, in Siam, or present-day Thailand. The Ayutthaya Kingdom is consi ...
(Thailand) conquers the western part of the Khmer Empire (Cambodia)


Cambodia–Vietnam

**1953 Cambodia becomes independent from France, border between Cambodia and France **1975
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
and
South Vietnam South Vietnam, officially the Republic of Vietnam ( vi, Việt Nam Cộng hòa), was a state in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of th ...
are re-unified


China–Laos

**109 BC, China conquers the
Dian Kingdom Dian () was an ancient kingdom established by the Dian people, a non-Han Chinese metalworking civilization that inhabited around the Dian Lake plateau of central northern Yunnan, China from the late Spring and Autumn period until the Eastern Han d ...
, border between China and the
Mon people The Mon ( mnw, ဂကူမည်; my, မွန်လူမျိုး‌, ; th, wikt:มอญ, มอญ, ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy ...
**1353 Establishment of the kingdom of Lan Xang, border between Lan Xang (Laos) and the
Mongolian Empire The Mongol Empire of the 13th and 14th centuries was the largest contiguous land empire in history. Originating in present-day Mongolia in East Asia, the Mongol Empire at its height stretched from the Sea of Japan to parts of Eastern Eu ...
**1381
Ming China The Ming dynasty (), officially the Great Ming, was an imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol-led Yuan dynasty. The Ming dynasty was the last orthodox dynasty of China ruled by the Han peo ...
conquers
Yunnan Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...
from Yuan (Mongolian) loyalists


China–Pakistan

**1963 Trans-Karakoram Treaty


China–India

* Shahidulla Mazar–
Leh Leh () ( lbj, ) is the joint capital and largest city of Ladakh, a union territory of India. Leh, located in the Leh district, was also the historical capital of the Kingdom of Ladakh, the seat of which was in the Leh Palace, the former ...
**1984 After Indian offensive against Pakistan on
Siachen Glacier The Siachen Glacier is a glacier located in the eastern Karakoram range in the Himalayas at about , just northeast of the point NJ9842 where the Line of Control between India and Pakistan ends. At long, it is the longest glacier in the Kara ...
at 5,000 meters above sea level, disputed * Gartog–
Leh Leh () ( lbj, ) is the joint capital and largest city of Ladakh, a union territory of India. Leh, located in the Leh district, was also the historical capital of the Kingdom of Ladakh, the seat of which was in the Leh Palace, the former ...
**1962 Disputed, cease fire * Gartog–
Shimla Shimla (; ; also known as Simla, the official name until 1972) is the capital and the largest city of the northern Indian state of Himachal Pradesh. In 1864, Shimla was declared as the summer capital of British India. After independence, ...
**1724 China conquers Tibet from the
Dzungars The Dzungar people (also written as Zunghar; from the Mongolian words , meaning 'left hand') were the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically they were one of major tr ...
, border between China and the
Mughal Empire The Mughal Empire was an early-modern empire that controlled much of South Asia between the 16th and 19th centuries. Quote: "Although the first two Timurid emperors and many of their noblemen were recent migrants to the subcontinent, the d ...
**1947 Indian independence, border between India and Tibet **1951 Tibet cedes de facto sovereignty to the
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
* Khampa Dsong–
Gangtok Gangtok is a city, municipality, the capital and the largest populated place of the Indian state of Sikkim. It is also the headquarters of the Gangtok District. Gangtok is in the eastern Himalayan range, at an elevation of . The city's populat ...
**1724 China conquers Tibet from the
Dzungars The Dzungar people (also written as Zunghar; from the Mongolian words , meaning 'left hand') were the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically they were one of major tr ...
, border between China and
Sikkim Sikkim (; ) is a state in Northeastern India. It borders the Tibet Autonomous Region of China in the north and northeast, Bhutan in the east, Province No. 1 of Nepal in the west and West Bengal in the south. Sikkim is also close to the Sil ...
**1947 Indian independence, border between India and Tibet **1951 Conquest of Tibet by China *
Lhasa Lhasa (; Lhasa dialect: ; bo, text=ལྷ་ས, translation=Place of Gods) is the urban center of the prefecture-level Lhasa City and the administrative capital of Tibet Autonomous Region in Southwest China. The inner urban area of Lhasa ...
–
Tinsukia Tinsukia (Pron: ˌtɪnˈsʊkiə) is an industrial town. It is situated north-east of Guwahati and away from the border with Arunachal Pradesh. It is the administrative headquarters of Tinsukia District of Assam, India. History During th ...
**1947 Indian independence, border between India and Tibet **1951 Conquest of Tibet by China


China–Kazakhstan

**1881 at the Treaty of Saint Petersburg, border between China and Russia. **1991 Kazakhstani independence.


China–Kyrgyzstan

**1881 At the Treaty of Saint Petersburg, border between China and Russia **1991 Kyrgyzstani independence


China–Mongolia

**1911 Mongolian independence.


China–Nepal

**1724 China conquers Tibet from the
Dzungars The Dzungar people (also written as Zunghar; from the Mongolian words , meaning 'left hand') were the many Mongol Oirat tribes who formed and maintained the Dzungar Khanate in the 17th and 18th centuries. Historically they were one of major tr ...
, border between China and the Nepalese kingdoms **1768 The king of
Gorkha The Gurkhas or Gorkhas (), with endonym Gorkhali ), are soldiers native to the Indian Subcontinent, chiefly residing within Nepal and some parts of Northeast India. The Gurkha units are composed of Nepalis and Indian Gorkhas and are recruit ...
unites all Nepalese kingdoms into one


China–North Korea

**1895/1910 after Japanese conquest, border between China and Japan. **1945/1948 North Korean independence.


China–Tajikistan

**1757 China conquers
Sinkiang Xinjiang, SASM/GNC: ''Xinjang''; zh, c=, p=Xīnjiāng; formerly romanized as Sinkiang (, ), officially the Xinjiang Uygur Autonomous Region (XUAR), is an autonomous region of the People's Republic of China (PRC), located in the northwest ...
, border between
Bukhara Bukhara ( Uzbek: /, ; tg, Бухоро, ) is the seventh-largest city in Uzbekistan, with a population of 280,187 , and the capital of Bukhara Region. People have inhabited the region around Bukhara for at least five millennia, and the city ...
and China **1991 Tajikistani independence


China–Russia

*From Mudanjiang -
Vladivostok Vladivostok ( rus, Владивосто́к, a=Владивосток.ogg, p=vɫədʲɪvɐˈstok) is the largest city and the administrative center of Primorsky Krai, Russia. The city is located around the Golden Horn Bay on the Sea of Japan, ...
to Mohe - Never **1858 at the
Treaty of Aigun The Treaty of Aigun (Russian: Айгунский договор; ) was an 1858 treaty between the Russian Empire and the Qing dynasty that established much of the modern border between the Russian Far East and China by ceding much of Manchur ...
. * Manzouli - Krasnokamensk **1689 at the
Treaty of Nerchinsk The Treaty of Nerchinsk () of 1689 was the first treaty between the Tsardom of Russia and the Qing dynasty of China. The Russians gave up the area north of the Amur River as far as the Stanovoy Range and kept the area between the Argun River ...
. * Altay -
Gorno-Altaysk Gorno-Altaysk (russian: Го́рно-Алта́йск, a=Горно-Алтайск.ogg, r=Gorno-Altaysk, p=ˈgornə ɐlˈtajsk; ; historically, pre-1932: Ulala) is the capital town of the Altai Republic, Russia. The population stands at around ...
**1755, China acquires the Ili-basin, border between China and the Altays. **1758, Russia acquires part of the Altay territory.


China–Vietnam

*
Malipo Malipo County (, vi, Ma Lật Pha) is under the administration of the Wenshan Zhuang and Miao Autonomous Prefecture, in the southeast of Yunnan province, China, bordering Ha Giang Province to the southeast. Administrative divisions In the presen ...
–
Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi i ...
**1st millennium BC?, border between Văn Lang (Vietnam) and the
Dian Kingdom Dian () was an ancient kingdom established by the Dian people, a non-Han Chinese metalworking civilization that inhabited around the Dian Lake plateau of central northern Yunnan, China from the late Spring and Autumn period until the Eastern Han d ...
**938, Vietnam becomes independent from China *
Nanning Nanning (; ; za, Namzningz) is the capital and largest city by population of the Guangxi Zhuang Autonomous Region in Southern China. It is known as the "Green City" because of its abundance of lush subtropical foliage. Located in the South o ...
–
Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi i ...
**1st millennium BC?, border of Văn Lang (Vietnam) **214 BC, China conquers Guangxi


East Timor–Indonesia

**1949 Indonesia becomes independent from the Netherlands, border between Indonesia and Portugal **2002 East Timor becomes independent from Indonesia


Egypt–Israel

**1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire **1948 Israeli independence


Egypt–Palestine (Gaza)

**1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire **1988 Palestine declaration, Egyptian withdrawal from Gaza **1977 Egyptian recognition of Israel


Georgia–Turkey

**1921 at the Treaty of Kars, border between Turkey and the Soviet Union. **1991 Georgian independence.


India–Nepal

*
Siliguri Siliguri, ) is a major tier-II city in West Bengal. It forms "Twin Cities" with the neighboring district capital of Jalpaiguri. The city spans areas of the Darjeeling and Jalpaiguri districts in the Indian state of West Bengal. Known as the ...
–
Kathmandu , pushpin_map = Nepal Bagmati Province#Nepal#Asia , coordinates = , subdivision_type = Country , subdivision_name = , subdivision_type1 = Province , subdivision_name1 = Bagmati Prov ...
**1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire **1947 Indian independence from the United Kingdom *
Patna Patna ( ), historically known as Pataliputra, is the capital and largest city of the state of Bihar in India. According to the United Nations, as of 2018, Patna had a population of 2.35 million, making it the 19th largest city in India. ...
–
Kathmandu , pushpin_map = Nepal Bagmati Province#Nepal#Asia , coordinates = , subdivision_type = Country , subdivision_name = , subdivision_type1 = Province , subdivision_name1 = Bagmati Prov ...
**1768 The king of
Gorkha The Gurkhas or Gorkhas (), with endonym Gorkhali ), are soldiers native to the Indian Subcontinent, chiefly residing within Nepal and some parts of Northeast India. The Gurkha units are composed of Nepalis and Indian Gorkhas and are recruit ...
unites all Nepalese kingdoms into one, border between Nepal and Great Britain **1947 Indian independence from the United Kingdom *
Gorakhpur Gorakhpur is a city in the Indian state of Uttar Pradesh, along the banks of the Rapti river in the Purvanchal region. It is situated 272 kilometers east of the state capital Lucknow. It is the administrative headquarters of Gorakhpur dis ...
–
Kathmandu , pushpin_map = Nepal Bagmati Province#Nepal#Asia , coordinates = , subdivision_type = Country , subdivision_name = , subdivision_type1 = Province , subdivision_name1 = Bagmati Prov ...
**1768 The king of
Gorkha The Gurkhas or Gorkhas (), with endonym Gorkhali ), are soldiers native to the Indian Subcontinent, chiefly residing within Nepal and some parts of Northeast India. The Gurkha units are composed of Nepalis and Indian Gorkhas and are recruit ...
unites all Nepalese kingdoms into one, border between Nepal and the
Mughal Empire The Mughal Empire was an early-modern empire that controlled much of South Asia between the 16th and 19th centuries. Quote: "Although the first two Timurid emperors and many of their noblemen were recent migrants to the subcontinent, the d ...
**1947 Indian independence from the United Kingdom *
Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, primarily its western or right bank, Delhi shares borders w ...
–
Kathmandu , pushpin_map = Nepal Bagmati Province#Nepal#Asia , coordinates = , subdivision_type = Country , subdivision_name = , subdivision_type1 = Province , subdivision_name1 = Bagmati Prov ...
**1923 The British Empire recognizes the independence of Nepal, border between Nepal and the British Empire **1947 Indian independence from the United Kingdom


India–Pakistan border, India–Pakistan

*
Siachen Glacier The Siachen Glacier is a glacier located in the eastern Karakoram range in the Himalayas at about , just northeast of the point NJ9842 where the Line of Control between India and Pakistan ends. At long, it is the longest glacier in the Kara ...
**1984 After Indian offensive on a glacier at 5,000 meters above sea level *From Srinagar–Skardu to Ahmedabad–Karachi **1947 Partition of India into two Dominions India and Pakistan following the Indian independence act and cease fire line of the war between India and Pakistan on Kashmir.


Indonesia–Malaysia border, Indonesia–Malaysia

**1949 Indonesia becomes independent from the Netherlands, border between Indonesia and the United Kingdom **1963 Establishment of Malaysia


Iran–Iraq border, Iran–Iraq

**16th century, border between Persia (Iran) and the Ottoman Empire **1932 Iraqi independence


Iran–Pakistan border, Iran–Pakistan

**1872 Border agreement between Persia (Iran) and the British Empire **1947 Pakistan becomes independent from the United Kingdom


Iran–Turkey border, Iran–Turkey

**16th century, border between Persia (Iran) and the Ottoman Empire (Turkey).


Iran-Turkmenistan border, Iran–Turkmenistan

**1885 After Russian conquest of Merv, border between Iran and Russia **1991 Turkmenistani independence


Iraq–Jordan border, Iraq–Jordan

**1932 Iraqi independence, border between Iraq and the British League of Nations mandate of Palestine **1946 Jordanian independence


Iraq–Kuwait border, Iraq–Kuwait

**1932 Iraqi independence, border between Iraq and the British protectorate of Kuwait **1961 Kuwaiti independence


Iraq–Saudi Arabia border, Iraq–Saudi Arabia

*Baghdad–Al Jawf Region, Al-Jawf **1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British League of Nations mandate of Iraq **1932 Iraqi independence *Nasiriyah–Ar Riyad **1975/1991 The Saudi-Iraqi neutral zone is split in two parts


Iraq–Syria border, Iraq–Syria

**1932 Iraqi independence, border between Iraq and the French League of Nations mandate of Syria **1944 Syrian independence


Iraq–Turkey relations, Iraq–Turkey

**1923 at the Treaty of Lausanne, border between Turkey and the British League of Nations mandate of Iraq. **1932 Iraqi independence.


Israel–Syria border, Israel–Syria

**1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine **1948 Israeli independence


Israel-Palestine Border, Israel-Palestine (West Bank, East Jerusalem)

**1988 Palestine Declaration of Independence **1993 Oslo Accords between Israel and Palestine (PLO) **1948 Israel independence


Israel–Jordan

*Hefa–Irbid **1047 BC, border between Israel and Aram Damascus **1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine **1948 Israeli independence *From Beersheba–Ma'an to Eilat–Al-'Aqabah **1946 Jordanian independence, border between Jordan and the British United Nations mandate of Palestine **1948 Israeli independence


Jordan–Syria border, Jordan–Syria

**1944 Syrian independence, border between Syria and the British League of Nations mandate of Palestine **1946 Jordanian independence


Jordan–Saudi Arabia border, Jordan–Saudi Arabia

**1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British League of Nations mandate of Palestine **1946 Independence of Jordan


Jordan-Palestine (West bank)

**1988 Jordanian withdrawal from West Bank, Palestinian independence declaration **1946 Jordanian independence **1994 Jordanian recognition of Israel


Kazakhstan–Kyrgyzstan border, Kazakhstan–Kyrgyzstan

**1991 Kazakhstani and Kyrgyzstani independence.


Kazakhstan–Russia border, Kazakhstan–Russia

**1991 dissolution of the Soviet Union.


Kazakhstan-Turkmenistan border, Kazakhstan–Turkmenistan

**1991 Kazakhstani and Turkmenistani independence.


Kazakhstan–Uzbekistan border, Kazakhstan–Uzbekistan

**1991 Kazakhstani and Uzbekistani independence.


Kuwait–Saudi Arabia

*Al-Kuwayt–Al-Hafar al-Batin **1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the British protectorate of Kuwait **1961 Kuwaiti independence *Al-Kuwayt–Dammam **1970 The Saudi-Kuwaiti neutral zone is split in two parts


Kyrgyzstan–Tajikistan border, Kyrgyzstan–Tajikistan

**1991 Kyrgyzstani and Tajikistani independence


Kyrgyzstan–Uzbekistan border, Kyrgyzstan–Uzbekistan

**1991 Kyrgyzstani and Uzbekistani independence


Laos–Burma

**1353 Establishment of Lan Xang (Laos), border between
Lan Xang existed as a unified kingdom from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The meaning of the kingdom's name alludes to the power of the kingship and formidable war machine of the ea ...
and the
Shan states The Shan States (1885–1948) were a collection of minor Shan kingdoms called '' muang'' whose rulers bore the title ''saopha'' in British Burma. They were analogous to the princely states of British India. The term "Shan States" was fi ...
**1557 Burma conquers the Shan States


Laos–Thailand

*Luang Prabang–
Chiang Mai Chiang Mai (, from th, เชียงใหม่ , nod, , เจียงใหม่ ), sometimes written as Chiengmai or Chiangmai, is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in ...
**1353 Establishment of Lan Xang (Laos), border between
Lan Xang existed as a unified kingdom from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The meaning of the kingdom's name alludes to the power of the kingship and formidable war machine of the ea ...
(Laos) and Lanna **1774 Lanna is conquered by Thailand, border between Thailand and Luang Prabang **1954 Laos becomes independent from France *Vientiane–Nakhon Ratchasima **1893 France conquers Vientiane from Thailand, border between Thailand and France **1954 Laos becomes independent from France


Laos–Vietnam

*Phong Saly–Lai Châu **1st millennium BC, border between Văn Lang (Vietnam) and the
Mon people The Mon ( mnw, ဂကူမည်; my, မွန်လူမျိုး‌, ; th, wikt:มอญ, มอญ, ) are an ethnic group who inhabit Lower Myanmar's Mon State, Kayin State, Kayah State, Tanintharyi Region, Bago Region, the Irrawaddy ...
**1353 Establishment of Lan Xang (Laos) *Luang Prabang–
Hanoi Hanoi or Ha Noi ( or ; vi, Hà Nội ) is the capital and second-largest city of Vietnam. It covers an area of . It consists of 12 urban districts, one district-leveled town and 17 rural districts. Located within the Red River Delta, Hanoi i ...
**938 Vietnamese independence from China, border between Vietnam and the Tai peoples, Tai **1353 Establishment of Lan Xang (Laos) *Vientiane–Xa-doai **938 Vietnamese independence from China, border between Vietnam and the Khmer Empire **1353 Establishment of Lan Xang (Laos) *Chamrap–Ða Nang **1353 Establishment of Lan Xang (Laos), border between
Lan Xang existed as a unified kingdom from 1353 to 1707. For three and a half centuries, Lan Xang was one of the largest kingdoms in Southeast Asia. The meaning of the kingdom's name alludes to the power of the kingship and formidable war machine of the ea ...
and Champa **1475 Vietnam conquers northern Champa


Lebanon–Syria border, Lebanon–Syria

**1941/1943 Lebanese independence, border between Lebanon and the French League of Nations mandate of Syria **1944 Syrian independence


Blue Line (Lebanon), Lebanon–Israel

**1941/1943 Lebanese independence, border between Lebanon and the British League of Nations mandate of Palestine **1948 Israeli independence


Malaysia–Singapore border, Malaysia–Singapore

**1965 Singapore becomes independent from Malaysia (land connection via causeways)


Malaysia–Thailand border, Malaysia–Thailand

**1909 Treaty of Bangkok, border between Thailand and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
**1963 Establishment of Malaysia


Mongolia–Russia border, Mongolia–Russia

*From Choibalsan (city), Choibalsan - Krasnokamensk to Mörön (city), Mörön - Tulun **1727 at the Treaty of Kyakhta (1727), Treaty of Kyakhta, border between Russia and China. **1911 Mongolian independence. *From Mörön (city), Mörön - Kyzyl to Ulaangom - Kyzyl **1912/1944 Russia annexes Tuva. *Ölgij -
Gorno-Altaysk Gorno-Altaysk (russian: Го́рно-Алта́йск, a=Горно-Алтайск.ogg, r=Gorno-Altaysk, p=ˈgornə ɐlˈtajsk; ; historically, pre-1932: Ulala) is the capital town of the Altai Republic, Russia. The population stands at around ...
**1758, Russia acquires part of the Altay territory, border between China and Russia. **1911 Mongolian independence.


Korean Demilitarized Zone, North Korea–South Korea

** 1953 after Korean Armistice Agreement, ceasefire.


North Korea–Russia border, North Korea–Russia

**1858 at the
Treaty of Aigun The Treaty of Aigun (Russian: Айгунский договор; ) was an 1858 treaty between the Russian Empire and the Qing dynasty that established much of the modern border between the Russian Far East and China by ceding much of Manchur ...
, border between Russia and China. **1948 Creation of North Korea, border between North Korea and the Soviet Union. **1991 Russian self-determination.


Oman–Saudi Arabia border, Oman–Saudi Arabia

**1990 Border agreement


Oman–United Arab Emirates border, Oman–United Arab Emirates

*Khasab–Dubai **1971 The United Arab Emirates and Oman become independent from the United Kingdom *Shinas–Dubai **1971 The United Arab Emirates and Oman become independent from the United Kingdom *Al Buraymi–Abu Zabi **1971 The United Arab Emirates and Oman become independent from the United Kingdom **1999 Border dispute on Al-Buraymi resolved


Oman–Yemen border, Oman–Yemen

**1971 Omani independence, border between Oman and South Yemen **1990 Yemen Arab Republic, North Yemen and South Yemen are unified **1992 Border dispute between Oman and Yemen settled about Habarut


Saudi Arabia–Qatar

**2009 Signed at the Headquarters of the United Nations, UN headquarters


Saudi Arabia–United Arab Emirates border, Saudi Arabia–United Arab Emirates

**1974 Treaty of Jeddah (1974), Treaty of Jeddah, disputed


Saudi Arabia–Yemen border, Saudi Arabia–Yemen

*Ar Riyad–Mukalla **1926 Unification of Nejd and Hijaz, border between Saudi Arabia and the Aden Protectorate, British protectorate of Aden **1990 Unification of South Yemen and North Yemen *Jizan–San'a **1934 Treaty of Taif, border between Saudi Arabia and (North) Yemen


Syria–Turkey border, Syria–Turkey

*From Nusaybin - Cizre to Aleppo - Gaziantep **1923 at the Treaty of Lausanne, border between Turkey and the French League of Nations mandate of Syria. **1944 Syrian independence. *Aleppo - Antakya **1939 after referendum, border between Turkey and the French League of Nations mandate of Syria. **1944 Syrian independence.


Tajikistan–Uzbekistan border, Tajikistan–Uzbekistan

**1991 Tajikistani and Uzbekistani independence


Turkmenistan–Uzbekistan border, Turkmenistan–Uzbekistan

**1991 Turkmenistani and Uzbekistani independence


Oceania


Indonesia–Papua New Guinea

**1969 The Netherlands cedes Papua (province), Papua to Indonesia, border between Indonesia and Australia **1975 Papua New Guinea becomes independent from Australia


Africa


Algeria–Libya border, Algeria–Libya

**1951 Libya becomes independent, border between Libya and France **1962 Algeria becomes independent


Algeria–Mali border, Algeria–Mali

**1960 Mali becomes independent, border between Mali and France **1962 Algeria becomes independent


Algeria–Mauritania border, Algeria–Mauritania

**1960 Mauritania becomes independent, border between Mauritania and France **1962 Algeria becomes independent


Algeria–Morocco border, Algeria–Morocco

*Kingdom of Tlemcen, Tlemcen–Oujda **1554 Morocco is established after a merger of small states, border between Morocco and the Ottoman Empire **1710 Algiers (Algeria) becomes independent *Béchar–Casablanca **1844 Border between France and Morocco established after a war **1962 Algerian independence, border is disputed


Algeria–Niger border, Algeria–Niger

**1960 Niger becomes independent, border between Niger and France **1962 Algeria becomes independent


Algeria–Tunisia border, Algeria–Tunisia

**1956 Tunisia becomes independent, border between Tunisia and France **1962 Algeria becomes independent


Angola–Democratic Republic of the Congo border, Angola–Democratic Republic of the Congo

**1960 Congolese independence, border between Congo-Léopoldville (DRC) and Portugal **1975 Angola becomes independent


Angola–Namibia

**1975 Angola becomes independent, border between Angola and South Africa **1990 Namibia becomes independent


Angola–Republic of the Congo border, Angola–Republic of the Congo

**1960 Congolese independence, border between Congo-Brazzaville (RC) and Portugal **1975 Angola becomes independent


Angola–Zambia

**1964 Zambia becomes independent, border between Zambia and Portugal **1975 Angola becomes independent


Benin–Burkina Faso border, Benin–Burkina Faso

**1960 Independence for Benin and Burkina Faso


Benin–Niger border, Benin–Niger

**1960 Independence for Benin and Niger


Benin–Nigeria border, Benin–Nigeria

**1960 Independence for Benin and Nigeria


Burkina Faso–Togo border, Burkina Faso–Togo

**1960 Independence for Burkina Faso and Togo


Burkina Faso–Ghana border, Burkina Faso–Ghana

**1957 Ghana becomes independent, border between Ghana and France **1960 Togo becomes independent


Burkina Faso–Côte d'Ivoire

**1960 Independence for Burkina Faso and Côte d'Ivoire


Burkina Faso–Mali border, Burkina Faso–Mali

**1960 Independence for Burkina Faso and Mali


Burkina Faso–Niger border, Burkina Faso–Niger

**1960 Independence for Burkina Faso and Niger


Botswana–South Africa border, Botswana–South Africa

**1931 South Africa becomes independent, border between South Africa and the United Kingdom **1966 Botswana becomes independent


Botswana–Zimbabwe

**1966 Botswana becomes independent, border between Botswana and Rhodesia **1980 Zimbabwe becomes independent


Botswana–Namibia

**1966 Botswana becomes independent, border between Botswana and South Africa **1990 Namibia becomes independent


Burundi–Democratic Republic of the Congo

**16th century, Establishment of Burundi, border of Burundi **1960 Congolese independence, border between Congo-Léopoldville (DRC) and Belgium **1962 Burundi becomes independent


Burundi–Rwanda

**2nd Millennium, Establishment of Burundi and Rwanda **1962 Burundi and Rwanda become independent from Belgium


Burundi–Tanzania

**16th century, Establishment of Burundi, border of Burundi **1962 Burundi becomes independent, border between Burundi and Tanganyika (1961–1964), Tanganyika **1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar


Cameroon–Central African Republic

**1960 Independence for Cameroon and the Central African Republic


Cameroon–Republic of the Congo

**1960 Independence for Cameroon and Congo-Brazzaville (RC)


Central African Republic–Republic of the Congo border, Central African Republic–Republic of the Congo

**1960 Central African and Congolese independence


Central African Republic–Democratic Republic of the Congo

**1960 Central African and Congolese independence


Central African Republic–Chad

**1960 Independence for the Central African Republic and Chad


Cameroon–Gabon

**1960 Independence for Cameroon and Gabon


Cameroon–Equatorial Guinea

**1960 Cameroon becomes independent, border between Cameroon and Spain **1968 Equatorial Guinea becomes independent


Cameroon–Chad border, Cameroon–Chad

**1960 Independence for Cameroon and Chad


Cameroon–Nigeria

*Garoua–Maiduguri **1960 Cameroon becomes independent, border between Cameroon and the British United Nations mandate of Cameroons **1961 Northern Cameroons votes to become part of Nigeria *Bamenda–Yola, Nigeria, Yola **1961 After a referendum it is decided that Northern Cameroons becomes part of Nigeria and Southern Cameroons part of Cameroon *Douala–Calabar **1960 Nigerian independence, border between Nigeria and the British United Nations mandate of Cameroons **1961 Southern Cameroons votes to become part of Cameroon


Chad–Libya border, Chad–Libya

**1951 Libya becomes independent, border between Libya and France **1960 Chad becomes independent


Chad–Niger border, Chad–Niger

**1960 Independence for Chad and Niger


Chad–Nigeria border, Chad–Nigeria

**1980s, Lake Chad nearly dried up, border of Chad and Nigeria becomes a land border


Central African Republic–Sudan border, Central African Republic–Sudan

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France **1960 The Central African Republic becomes independent


Chad–Sudan border, Chad–Sudan

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and France **1960 Chad becomes independent


Côte d'Ivoire–Mali

**1960 Independence for Côte d'Ivoire and Mali


Côte d'Ivoire–Guinea

**1958 Guinea becomes independent, border between Guinea and France **1960 Côte d'Ivoire becomes independent


Côte d'Ivoire–Liberia

*San Pédro, Côte d'Ivoire, San Pédro–Harper, Liberia, Harper **1857 The Republic of Maryland joins Liberia, border of Liberia **1960 Côte d'Ivoire becomes independent *Man, Côte d'Ivoire, Man–Zwedru **1892 Border agreement between Liberia and France **1960 Côte d'Ivoire becomes independent


Democratic Republic of the Congo–Sudan

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Belgium **1960 Congolese independence


Democratic Republic of the Congo–Republic of the Congo

**1960 Independence for both Congo's, both named Republic of the Congo at the time


Democratic Republic of the Congo–Rwanda

**2nd Millennium, Establishment of Rwanda, border of Rwanda **1960 Congolese independence, border between Congo-Léopoldville (DRC) and Belgium **1962 Rwanda becomes independent


Democratic Republic of the Congo–Uganda

**1960 Congolese independence, border between Congo-Léopoldville (DRC) and the United Kingdom **1962 Uganda becomes independent


Democratic Republic of the Congo–Zambia

**1960 Congolese independence, border between Congo-Léopoldville (DRC) and the United Kingdom **1964 Zambia becomes independent


Djibouti–Eritrea

**1977 Djibouti becomes independent, border between Djibouti and Ethiopia **1991 Eritrean independence


Djibouti–Ethiopia

**1897 Border established between Abyssinia (Ethiopia) and France **1977 Djibouti becomes independent


Djibouti–Somalia

**1960 Somalian independence, border between Somalia and France **1977 Djibouti becomes independent


Egypt–Libya border, Egypt–Libya

**1922 Unilateral Declaration of Egyptian Independence, Egyptian independence, border between Egypt and Italy (Italian Libya) **1951 Libyan independence


Egypt–Sudan border, Egypt–Sudan

**1956 Sudanese independence from the Anglo-Egyptian Sudan, United Kingdom and Egypt


Equatorial Guinea–Gabon

**1960 Gabon becomes independent, border between Gabon and Spain **1968 Equatorial Guinea becomes independent


Eritrea–Sudan

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia **1991 Eritrean independence


Eritrea–Ethiopia

**1900/1902/1908 Border established between Abyssinia (Ethiopia) and Italy **1991 Eritrean independence after the Ethiopian Civil War


Ethiopia–Kenya

**1907 Border agreement between Abyssinia (Ethiopia) and the British Empire **1963 Kenya becomes independent


Ethiopia–Sudan

**1902 Border between Abyssinia (Ethiopia) and the United Kingdom established **1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and Ethiopia


Ethiopia–Somalia

*Harar–Hargeysa **1897 Anglo-Egyptian Treaty, border between Abyssinia (Ethiopia) and the British Empire **1960 Somalian independence *Adis Abeba–Muqdisho **1897 Border agreement between Abyssinia (Ethiopia) and Italy **1960 Somalian independence


Gabon–Republic of the Congo

**1960 Independence for Gabon and Congo-Brazzaville (RC)


The Gambia–Senegal

**1960 Senegal becomes independent, border between Senegal and the United Kingdom **1965 The Gambia becomes independent


Ghana–Togo border, Ghana–Togo

**1957 Ghana becomes independent, border between Ghana and the French United Nations mandate of Togoland **1960 Togo becomes independent


Ghana–Côte d'Ivoire

**1957 Ghana becomes independent, border between Ghana and France **1960 Côte d'Ivoire becomes independent


Guinea–Liberia border, Guinea–Liberia

**1892 Border agreement between Liberia and France **1958 Guinea becomes independent


Guinea–Sierra Leone border, Guinea–Sierra Leone

**1958 Guinea becomes independent, border between Guinea and the United Kingdom **1961 Sierra Leone becomes independent


Guinea–Mali border, Guinea–Mali

**1958 Guinea becomes independent, border between Guinea and France **1960 Mali becomes independent


Guinea–Senegal border, Guinea–Senegal

**1958 Guinea becomes independent, border between Guinea and France **1960 Senegal becomes independent


Guinea–Guinea-Bissau border, Guinea–Guinea-Bissau

**1958 Guinea becomes independent, border between Guinea and Portugal **1973/1974 Guinea-Bissau becomes independent


Guinea–Bissau-Senegal

**1960 Senegal becomes independent, border between Senegal and Portugal **1973/1974 Guinea-Bissau becomes independent


Kenya–Sudan

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom **1963 Kenya becomes independent


Kenya–Somalia

**1960 Somalian independence, border between Somalia and the United Kingdom **1963 Kenya becomes independent


Kenya–Uganda

**1962 Uganda becomes independent, border between Uganda and the United Kingdom **1963 Kenya becomes independent


Kenya–Tanzania

**1963 Kenya becomes independent, border between Kenya and Tanganyika (1961–1964), Tanganyika **1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar


Lesotho–South Africa border, Lesotho–South Africa

*Maseru–Pietermaritzburg **1822 Establishment of Basutoland (Lesotho), border between Basutoland and the Zulu Kingdom **1931 South Africa becomes independent, border between South Africa and the United Kingdom **1966 Lesotho becomes independent. *Maseru–East London, South Africa, East London **1822 Establishment of Basutoland (Lesotho), border between Basutoland and the Xhosa people, Xhosa **1931 South Africa becomes independent, border between South Africa and the United Kingdom **1966 Lesotho becomes independent *Maseru–Bloemfontein **1931 South Africa becomes independent, border between South Africa and the United Kingdom **1966 Lesotho becomes independent


Libya–Niger border, Libya–Niger

**1951 Libyan independence, border between Libya and France **1960 Niger becomes independent


Libya–Sudan border, Libya–Sudan

**1951 Libyan independence, border between Libya and the United Kingdom **1956 Sudanese independence from the United Kingdom and Egypt


Libya–Tunisia border, Libya–Tunisia

**1951 Libya becomes independent, border between Libya and France **1956 Tunisia becomes independent


Liberia–Sierra Leone border, Liberia–Sierra Leone

*Robertsport–Freetown **1847 Liberia becomes independent from the United States, border of Liberia **1961 Sierra Leone becomes independent *Voinjama–Koidu **1885 Border agreement between Liberia and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
**1961 Sierra Leone becomes independent


Mali–Senegal border, Mali–Senegal

**1960 Independence for Mali and Senegal


Mali–Mauritania border, Mali–Mauritania

**1960 Independence for Mali and Mauritania


Malawi–Mozambique

**1964 Malawi becomes independent, border between Malawi and Portugal


Mali–Niger border, Mali–Niger

**1960 Independence for Mali and Niger


Malawi-Tanzania border, Malawi–Tanzania

**1964 Establishment of Tanzania after a merger between Tanganyika (1961–1964), Tanganyika and Zanzibar and the independence of Malawi


Malawi–Zambia

**1964 Malawi and Zambia becomes independent


Mauritania–Senegal border, Mauritania–Senegal

**1960 Independence for Mauritania and Senegal


Morocco–Spain border, Morocco–Spain

*Nador - Melilla **1894 borders between Morocco and Melilla were fixed. *Tanger - Ceuta **17th century.


Mozambique–South Africa border, Mozambique–South Africa

**1931 South Africa becomes independent, border between South Africa and Portugal **1975 Mozambique becomes independent from the Portuguese Empire.


Mozambique–Swaziland

**1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border between Swaziland and Portugal **1975 Mozambique becomes independent


Mozambique–Tanzania

**1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar, border between Tanzania and Portugal **Mozambique becomes independent


Mozambique–Zambia

**1964 Zambia becomes independent, border between Zambia and Portugal **1975 Mozambique becomes independent


Mozambique–Zimbabwe

**1975 Mozambique becomes independent, border between Mozambique and Rhodesia **1980 Zimbabwe becomes independent


Namibia–Zambia

**1964 Zambia becomes independent, border between Zambia and South Africa **1990 Namibia becomes independent


Namibia–South Africa

**1990 Namibia becomes independent from South Africa


Niger–Nigeria

**1960 Independence for Niger and Nigeria


Rwanda–Tanzania

**2nd Millennium, Establishment of Rwanda, border of Rwanda **1962 Rwanda becomes independent, border between Rwanda and Tanganyika (1961–1964), Tanganyika **1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar


Rwanda–Uganda

**2nd Millennium, Establishment of Rwanda, border of Rwanda **1962 Independence of Rwanda and Uganda


Sudan–Uganda

**1956 Sudanese independence from the United Kingdom and Egypt, border between Sudan and the United Kingdom **1962 Uganda becomes independent


Eswatini–South Africa border, South Africa–Eswatini

**1830s, Swaziland is moved up north in order to reduce the pressure from the Zulus, border of Swaziland **1931 South Africa becomes independent, border between South Africa and the United Kingdom **1968 Swaziland becomes independent


South Africa–Zimbabwe border, South Africa–Zimbabwe

**1931 South Africa becomes independent, border between South Africa and the United Kingdom **1980 Zimbabwe becomes independent


Tanzania–Uganda

**1962 Uganda becomes independent, border between Uganda and Tanganyika (1961–1964), Tanganyika **1964 Establishment of Tanzania after a merger between Tanganyika and Zanzibar


Tanzania–Zambia

**1964 Establishment of Tanzania after a merger between Tanganyika (1961–1964), Tanganyika and Zanzibar and the independence of Zambia


Zambia–Zimbabwe

**1964 Zambia becomes independent, border between Zambia and the United Kingdom **1980 Zimbabwe becomes independent


North America


Belize–Guatemala border, Belize–Guatemala

**1840 Guatemala becomes independent from Federal Republic of Central America, Central America, border between Guatemala and the United Kingdom **1981 Belize becomes independent


Belize–Mexico border, Belize–Mexico

**1821 Mexico becomes independent from the Spanish Empire, border between Mexico and the United Kingdom **1981 Belize becomes independent


Canada–United States border, Canada–United States

*Saint John, New Brunswick, Saint John–Bangor, Maine, Bangor **1783 At the Treaty of Paris (1783), Treaty of Paris ending the American Revolutionary War, border between the United States and Great Britain *Edmundston–Presque Isle, Maine, Presque Isle **1842 At the Webster–Ashburton Treaty ending the Aroostook War, border between the United States and the United Kingdom *From Montréal–Boston to Thunder Bay–Minneapolis **1783 At the Treaty of Paris (1783), Treaty of Paris, border between the United States and Great Britain *From Winnipeg–Grand Forks, North Dakota, Grand Forks to Calgary–Great Falls, Montana, Great Falls **1818 At the Treaty of 1818, border between the United States and the United Kingdom *Vancouver–Seattle **1846 At the Oregon Treaty, border between the United States and the United Kingdom *Whitehorse, Yukon, Whitehorse–Juneau **1903 At the Hay–Herbert Treaty, border between the United States and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
*From Whitehorse, Yukon, Whitehorse–Anchorage to Inuvik–Prudhoe Bay **1867 Alaska Purchase, border between the United States and the United Kingdom


Costa Rica–Panama border, Costa Rica–Panama

**1838 Costa Rica becomes independent, border between Colombia and Costa Rica **1903 Panama becomes independent


Costa Rica–Nicaragua border, Costa Rica–Nicaragua

**1838 Costa Rica and Nicaragua become independent


Dominican Republic–Haiti

**1804 Haiti becomes independent from the French colonial empire, French Empire, border between Haiti and France **1821/1844 The Dominican Republic becomes independent from Haiti


El Salvador–Guatemala border, El Salvador–Guatemala

**1840 El Salvador and Guatemala become independent


El Salvador–Honduras border, El Salvador–Honduras

**1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America **1840 El Salvador established after the dissolution of the Federal Republic of Central America


France–Netherlands

**1648 France and the Netherlands divide Sint Maarten, Saint Martin.


Guatemala–Honduras border, Guatemala–Honduras

**1839 Honduras becomes independent from the Federal Republic of Central America, border between Honduras and the Federal Republic of Central America


Guatemala–Mexico border, Guatemala–Mexico

**1821 Mexico becomes independent, border between Mexico and the Federal Republic of Central America **1840 Guatemala becomes independent


Honduras–Nicaragua border, Honduras–Nicaragua

**1838 Nicaragua becomes independent from the Federal Republic of Central America, border between Nicaragua and the Federal Republic of Central America **1839 Honduras becomes independent


Mexico–United States border, Mexico–United States

*From Matamoros, Tamaulipas, Matamoros–Corpus Christi, Texas, Corpus Christi to Ciudad Juárez, Juárez–El Paso **1848 At the Treaty of Guadalupe Hidalgo ending the Mexican–American War, Mexican-American War. *Hermosillo–Phoenix, Arizona, Phoenix **1853 Gadsden Purchase *Tijuana–San Diego **1848 At the Treaty of Guadalupe Hidalgo


South America


Argentina–Brazil border, Argentina–Brazil

*Puerto Iguazú–Foz do Iguaçu **1814 Misiones is claimed by Argentina, border between Argentina and Portugal *Posadas, Misiones, Posadas–Pato Branco **1927 Border between Argentina and Brazil is settled *Posadas, Misiones, Posadas–Porto Alegre **1814 Misiones is claimed by Argentina, border between Argentina and Portugal *Corrientes–Santa Maria, Rio Grande do Sul, Santa Maria **1820 After the division of the territory of the Liga Federal, border between the United Provinces of South America (Argentina) and Portugal


Argentina–Bolivia border, Argentina–Bolivia

**1825 Bolivian independence from the United Provinces of South America **1925 Final border Treaty


Argentina–Chile border, Argentina–Chile

*Salta–Antofagasta **1884 Chile conquers the Bolivian Antofagasta Region **1899 Border settled *Mendoza, Argentina, Mendoza–Santiago de Chile **1810 The United Provinces of South America (Argentina) becomes independent, border between Argentina and Spain **1818 Chile becomes independent with help from Argentina *From Comodoro Rivadavia–Coihaique to Ushuaia–Punta Arenas **1881 Boundary treaty of 1881 between Chile and Argentina, Boundary Treaty of 1881 between Chile and Argentina


Argentina–Paraguay border, Argentina–Paraguay

**1870 Border established after the Paraguayan War


Argentina–Uruguay border, Argentina–Uruguay

**1820 Liga Federal is dissolved and the United Provinces of South America annexes the western provinces, creating today's border **1821 The remainder of Liga Federal is annexed by the United Kingdom of Portugal, Brazil and the Algarves **1825 Uruguay declares independence **1828 Uruguayan independence is recognized


Bolivia–Brazil border, Bolivia–Brazil

*La Paz–Rio Branco, Acre, Rio Branco **1903 Treaty of Petropolis, Bolivia cedes Acre (state), Acre to Brazil *Riberalta–Bom Comérico **1867 Bolivia cells northern Acre (state), Acre to Brazil *La Paz–Porto Velho **1822 Brazilian independence, border between Brazil and Spain **1825 Bolivian independence *Santa Cruz de la Sierra, Santa Cruz–Cuiabá **1867 Bolivia cells parts of eastern Bolivia to Brazil **1927 Final border Treaty


Bolivia–Chile

*Julaca–Antofagasta **1884 Chile conquers the Bolivian Antofagasta Region *La Paz–Arica, Chile, Arica **1825 Bolivian independence, border between Bolivia and Peru **1880 Arica, Chile, Arica is conquered by Chile


Bolivia–Paraguay

**1938 Chaco War ends with a truce, the current border created **2009 A final Treaty is signed to clearly mark the border


Bolivia–Peru

*La Paz–Arequipa **1824 Spanish defeated in Peru, border between Peru and Spain **1825 Bolivian independence *Riberalta–Cuzco **1909 Border settled


Brazil–Colombia border, Brazil–Colombia

**1907 Treaty of Bogotá, Brazil and Colombia agree on most of the border **1928 The Tratado de Límites y Navegación Fluvial is signed, settling the border


Brazil–France border, Brazil–France

**1713 The Treaty of Utrecht creates a border between France and Portugal. **1822 Brazil obtains independence


Brazil–Guyana

*Santarém, Brazil, Santarém–Georgetown, Guyana, Georgetown **1822 Brazilian independence, border between Brazil and the United Kingdom **1966 Guyana becomes independent *Boa Vista, Roraima, Boa Vista–Georgetown, Guyana, Georgetown **1904 Italy arbiters in a border dispute, border between Brazil and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
**1966 Guyana becomes independent *Boa Vista, Roraima, Boa Vista–Imbaimadai **1822 Brazilian independence, border between Brazil and the United Kingdom **1966 Guyana becomes independent


Brazil–Paraguay

*Campo Grande–Forte Olimpo **1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil, border between Brazil and the disputed Gran Chaco, Chaco area, claimed by both Bolivia and Paraguay **1935 After the Chaco War *Campo Grande–Asunción **1870 Paraguay is defeated in the Paraguayan War and loses territory to Brazil *Cascavel–Asunción **1811 Paraguay becomes independent, border between Paraguay and Portugal **1822 Brazilian independence


Brazil–Peru border, Brazil–Peru

*Eirunepé–Iquitos **1851 Border agreement *Rio Branco, Acre, Rio Branco–Lima **1909 Border agreement


Brazil–Suriname

**1906 Border between Brazil and the Kingdom of the Netherlands, Netherlands defined in the Treaty of Limits (Brazil–Netherlands), Treaty of Limits **1975 Suriname obtains independence


Brazil–Uruguay border, Brazil–Uruguay

**1825 Uruguay declares independence **1828 Uruguay's independence is accepted by Brazil


Brazil–Venezuela border, Brazil–Venezuela

**1777 First Treaty of San Ildefonso is signed designating the border between Spain and Portugal **1819 Gran Colombia becomes independent **1822 Brazilian becomes independent **1830 Venezuela becomes independent


Colombia–Ecuador border, Colombia–Ecuador

**1830 Ecuador becomes independent from Colombia **1916 Final border Treaty


Colombia–Panama border, Colombia–Panama

**1903 Panama becomes independent from Colombia


Colombia–Peru

**1922 Border agreement between Colombia and Peru, territory disputed with Ecuador **1942 Ecuador loses a war versus Peru


Colombia–Venezuela border, Colombia–Venezuela

**1830 Venezuela becomes independent from Colombia


Ecuador–Peru

*Quito–Iquitos **1942 After the Ecuadorian–Peruvian War, disputed *Cuenca, Ecuador, Cuenca–Sullana **1830 Ecuador becomes independent, disputed


France–Suriname

**17th century, border between France and the Netherlands. **1975 Surinamese independence.


Guyana–Suriname

*Georgetown, Guyana, Georgetown–Paramaribo **1966 Guyana becomes independent, border between Guyana and the Netherlands **1975 Suriname becomes independent *Johi, Guyana, Joli–Majoli, Suriname, Majoli **1966 Guyana becomes independent, border between Guyana and the Netherlands **1975 Suriname becomes independent, disputed


Guyana–Venezuela

**1899 Border settled between Venezuela and the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts e ...
**1966 Guyana becomes independent, border disputed


Borders of Territories with special status


Frontier Closed Area, Hong Kong–China

* Boundary Street **1860 China under the Qing dynasty, Qing Dynasty ceded Kowloon Peninsula to the Crown colony, British crown colony of British Hong Kong, Hong Kong * Sham Chun River, Sha Tau Kok River and Pak Kung Au (Islands), Pak Kung Au ** 1898 China under Ch'ing Dynasty leased the New Territories to the United Kingdom until 1997, and was added to the crown colony of Hong Kong * Dongjiaotou ** 2007 The Central People's Government of the
People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
leased an area in Dongjiaotou for Hong Kong, one of PRC's Special administrative regions of China, special administrative regions, to establish a boundary checkpoint across the Deep Bay, China, Deep Bay / Shenzhen Bay.


Algeria–Western Sahara border, Algeria–Western Sahara

**1962 Algeria becomes independent, border between Algeria and Spain **1975 Western Sahara becomes independent and is mostly occupied by Morocco


Mauritania–Western Sahara border, Mauritania–Western Sahara

**1960 Mauritania becomes independent, border between Mauritania and Spain **1975 Western Sahara becomes independent and is mostly occupied by Morocco


Morocco–Western Sahara border, Morocco–Western Sahara

**1884 Berlin Conference, Spain gains Western Sahara and subsequently occupies the territory, border between Morocco and Spain


Gaza–Egypt border, Egypt–Palestinian Territories

**1841 The United Kingdom forces Egypt to retreat from the Levant, border between Egypt and the Ottoman Empire **2005 Israel evacuates the Gaza Strip


Israel-Palestine Border, Israel–Palestinian Territories

*From Nazareth–Jenin to Beersheba–Hebron **1948 Cease fire line in 1948 Arab–Israeli War, First Arab-Israeli War, border between Israel and Jordan *Beersheba–Gaza City, Gaza **1948 Cease fire line in the war between Israel and the Arabs, border between Israel and Egypt **2005 Israel evacuates the Gaza Strip


Jordan–Palestinian Territories

**1967 Israel conquers the West Bank, border between Jordan and Israel


References

{{DEFAULTSORT:Land Borders By Date Of Establishment Border-related lists, Dates of establishment