The San (; ''Sian''; ) is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in southeastern

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...

and western

Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...

. It is a tributary of the river

Vistula The Vistula (; ) is the longest river in Poland and the ninth-longest in Europe, at in length. Its drainage basin, extending into three other countries apart from Poland, covers , of which is in Poland. The Vistula rises at Barania Góra i ...

. With a length of , the San is the 6th-longest Polish river. It has a basin area of 16,877 km², of which 14,426 km² is in Poland.

Etymology

in proto-

Indo-European languages The Indo-European languages are a language family native to the northern Indian subcontinent, most of Europe, and the Iranian plateau with additional native branches found in regions such as Sri Lanka, the Maldives, parts of Central Asia (e. ...

means 'speed' or 'rapid stream'. In

Celtic languages The Celtic languages ( ) are a branch of the Indo-European language family, descended from the hypothetical Proto-Celtic language. The term "Celtic" was first used to describe this language group by Edward Lhuyd in 1707, following Paul-Yve ...

, means '

Course

The San arises in the

Carpathian Mountains The Carpathian Mountains or Carpathians () are a range of mountains forming an arc across Central Europe and Southeast Europe. Roughly long, it is the third-longest European mountain range after the Ural Mountains, Urals at and the Scandinav ...

near the village of Sianky, at an elevation of , exactly on the Polish-Ukrainian border () and on the continental watershed, and forms the border between Poland and

for approximately its first . Poland's largest

artificial lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from t ...

, Lake Solina, was created by a

dam A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aqua ...

on the San River near Lesko. The San flows into the Vistula near

Sandomierz Sandomierz (pronounced: ; , ) is a historic town in south-eastern Poland with 23,863 inhabitants (), situated on the Vistula River near its confluence with the San, in the Sandomierz Basin. It has been part of Świętokrzyskie Voivodeship (Holy ...

Tributaries

History of the region

Historical records first mention the river in 1097 as ''Sanъ'', ''reku Sanъ'', ''k Sanovi''; then as ''nad Sanomъ'' (1152) and ''Sanu'' (1287). On the old maps of the Ruthenian Voivodeship, Poland 1339–1772 it was referred to as "San" (1339), San (1372), "Szan" (1406), "Sanok" (1438), "Saan" (1439), "Sayn" (1445), "San" (1467), "Szan" (1517), and "Schan" (1526). Humans had first settled the southeastern region of present-day Poland (the

Subcarpathian Voivodeship Subcarpathian Voivodeship is a Voivodeships of Poland, voivodeship, or province, in the southeastern corner of Poland. Its administrative capital and largest city is Rzeszów. Along with the Marshal, it is governed by the Subcarpathian Regional As ...

or ''Podkarpacie'') in prehistoric times. In the pre-Roman era various tribes, including the

Celts The Celts ( , see Names of the Celts#Pronunciation, pronunciation for different usages) or Celtic peoples ( ) were a collection of Indo-European languages, Indo-European peoples. "The Celts, an ancient Indo-European people, reached the apoge ...

Goths The Goths were a Germanic people who played a major role in the fall of the Western Roman Empire and the emergence of medieval Europe. They were first reported by Graeco-Roman authors in the 3rd century AD, living north of the Danube in what is ...

and

Vandals The Vandals were a Germanic people who were first reported in the written records as inhabitants of what is now Poland, during the period of the Roman Empire. Much later, in the fifth century, a group of Vandals led by kings established Vand ...

(

Przeworsk culture The Przeworsk culture () was an Iron Age material culture in the region of what is now Poland, that dates from the 3rd century BC to the 5th century AD. It takes its name from the town Przeworsk, near the village where the first artifacts we ...

and Puchov culture) "It is possible to separate the group of La Tène culture (Celtic settlement) in the Upper Tisza Basin. For the time being there are about 160 sites noted. They can be divided into several distinct categories which include the following: settlements, production areas, sepulchral sites, i.e., burial grounds and single graves as well as various hoards (deposits of coins and tools). Moreover, there are three oppida: Zemplin, Bükkszentlászló and Galish-Lovačka. The chronology of the whole group lies between LT B1-LT D1/D2. Especially interesting is the problem of correspondence between this group and the group of sites in southeast Poland. Material connections are also documented in ancient sources. They allow to identify the group from Upper

Tisza The Tisza, Tysa or Tisa (see below) is one of the major rivers of Central and Eastern Europe. It was once called "the most Hungarian river" because it used to flow entirely within the Kingdom of Hungary. Today, it crosses several national bo ...

as the Anarti tribe and the group from southeast Poland as the Anartophracti, which is a part of the former." n: Marek Olędzki.

La Tène culture The La Tène culture (; ) was a Iron Age Europe, European Iron Age culture. It developed and flourished during the late Iron Age (from about 450 BC to the Roman Republic, Roman conquest in the 1st century BC), succeeding the early Iron Age ...

in the Upper Tisza Basin =La Culture de la Tene dans le Bassin de la Haute Tisza. Ethnographisch-archaeologische Zeitschrift. ISSN 0012-7477 overran the area. After the fall of the Roman Empire,

Hungarians Hungarians, also known as Magyars, are an Ethnicity, ethnic group native to Hungary (), who share a common Culture of Hungary, culture, Hungarian language, language and History of Hungary, history. They also have a notable presence in former pa ...

and Slavs invaded the area. The San

valley A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over ...

must have become an important trade-route and axis of human settlement as early as the 9th or 10th century. The region subsequently became part of the

Great Moravia Great Moravia (; , ''Meghálī Moravía''; ; ; , ), or simply Moravia, was the first major state that was predominantly West Slavic to emerge in the area of Central Europe, possibly including territories which are today part of the Czech Repub ...

n state. Upon the invasion of the Hungarian tribes into the heart of the Great Moravian Empire around 899, the Lendians of the area declared their allegiance to the Hungarian Empire. The region then became a site of contention between

, Kievan Rus and

Hungary Hungary is a landlocked country in Central Europe. Spanning much of the Pannonian Basin, Carpathian Basin, it is bordered by Slovakia to the north, Ukraine to the northeast, Romania to the east and southeast, Serbia to the south, Croatia and ...

starting in around the 9th century. This area was mentioned for the first time in 981 (by Nestor), when Volodymyr the Great of

Kievan Rus Kievan Rus', also known as Kyivan Rus,. * was the first East Slavic state and later an amalgam of principalities in Eastern Europe from the late 9th to the mid-13th century.John Channon & Robert Hudson, ''Penguin Historical Atlas of Russ ...

took the area over on his way into

. In 1018 it returned to Poland, in 1031 reverted to Rus, and in 1340 was recovered by Casimir III of Poland. During the years 966–1018, 1340–1772 (the Ruthenian Voivodeship) and 1918–1939, the region was part of Poland. Between 1772 and 1918 it belonged to the Austrian empire, which became the Austro-Hungarian empire when the double monarchy was introduced. This region, including the area west and east of the Subcarpathian Voivodship, was controlled by

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

for almost 120 years. During that time it was known as Galicia.

Ukrainians Ukrainians (, ) are an East Slavs, East Slavic ethnic group native to Ukraine. Their native tongue is Ukrainian language, Ukrainian, and the majority adhere to Eastern Orthodox Church, Eastern Orthodoxy, forming the List of contemporary eth ...

traditionally associated the San with their ethnographic western frontier: this is reflected in the State Anthem of Ukraine (which describes Ukraine as extending from the San to the Don) and the

March of Ukrainian Nationalists The March of Ukrainian Nationalists is a Ukrainian patriotic song that was originally the official anthem of the Organisation of Ukrainian Nationalists and the Ukrainian Insurgent Army. The song is also known by its first line "We were born in ...

(which calls for a Ukraine from the San to the

Caucasus The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...

). The Poland–Ukraine border today follows the San for approximately the first 50 km of its course. The San River, which has seen many battles in its history, was a battle site at the beginning of

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

in 1939. At the outset of the German

invasion of Poland The invasion of Poland, also known as the September Campaign, Polish Campaign, and Polish Defensive War of 1939 (1 September – 6 October 1939), was a joint attack on the Second Polish Republic, Republic of Poland by Nazi Germany, the Slovak R ...

, Polish forces attempted to defend a line along the San from September 6, until German forces broke out of their bridgeheads on September 12.

Cities

* Dubiecko,

Dynów Dynów () (, , ) is a small town in Rzeszów County, Subcarpathian Voivodeship, Poland, with a population of 6,058 (02.06.2009). History Dynów was first mentioned in written sources in 1423. At that time, together with other villages, it belong ...

Jarosław Jarosław (; , ; ; ) is a town in southeastern Poland, situated on the San (river), San River. The town had 35,475 inhabitants in 2023. It is the capital of Jarosław County in the Subcarpathian Voivodeship. History Jarosław is located in the ...

, Lesko, Leżajsk,

Nisko Nisko is a town in Nisko County, Subcarpathian Voivodeship, Poland on the San River, with a population of 15,048 inhabitants as of 31 December 2021. Together with neighbouring city of Stalowa Wola, Nisko creates a small urban agglomeration, aggl ...

Przemyśl Przemyśl () is a city in southeastern Poland with 56,466 inhabitants, as of December 2023. Data for territorial unit 1862000. In 1999, it became part of the Podkarpackie Voivodeship, Subcarpathian Voivodeship. It was previously the capital of Prz ...

, Radymno, Rudnik nad Sanem,

, Sanok, Sieniawa, Stalowa Wola, Ulanów, Zagórz

References

Literature

Geographical Dictionary of the Kingdom of Poland and other Slavic Lands
Słownik geograficzny Królestwa Polskiego i innych krajów słowiańskich. tom. X, pages 260 - 263. Warszawa. 1876. (''digital edition'') {{DEFAULTSORT:San (River) International rivers of Europe Poland–Ukraine border Rivers of Lviv Oblast Rivers of Subcarpathian Voivodeship Rivers of Poland