Moson (
German
German(s) may refer to:
* Germany, the country of the Germans and German things
**Germania (Roman era)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizenship in Germany, see also Ge ...
: Wieselburg,
Slovak: Mošon) was an administrative county (
comitatus
Comitatus may refer to:
*Comitatus (warband), a Germanic warband who follow a leader
* ''Comitatus'', the office of a Roman or Frankish comes, translated as count.
* ''Comitatus'', translated as county, a territory such as governed by medieval cou ...
) of the
Kingdom of Hungary
The Kingdom of Hungary was a monarchy in Central Europe that existed for nearly a millennium, from 1000 to 1946 and was a key part of the Habsburg monarchy from 1526-1918. The Principality of Hungary emerged as a Christian kingdom upon the Coro ...
, situated mostly on the right (south) side of the Danube river. Its territory is now divided between
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 ...
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 ...
, except a small area which is part of
Slovakia
Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the west, and the Czech Republic to the northwest. Slovakia's m ...
. Moson is also the name of a town, nowadays part of the city
Mosonmagyaróvár
Mosonmagyaróvár (; ; also known by other alternative names) is a town in Győr-Moson-Sopron County in northwestern Hungary. It lies close to both the Austrian and Slovak borders and has a population of 32,752 ().
Mosonmagyaróvár used ...
, Hungary.
Geography
Moson county shared borders with the
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 ...
n land
Lower Austria
Lower Austria ( , , abbreviated LA or NÖ) is one of the nine states of Austria, located in the northeastern corner of the country. Major cities are Amstetten, Lower Austria, Amstetten, Krems an der Donau, Wiener Neustadt and Sankt Pölten, which ...
and the Hungarian counties
Pozsony
Bratislava (German: ''Pressburg'', Hungarian: ''Pozsony'') is the Capital city, capital and largest city of the Slovakia, Slovak Republic and the fourth largest of all List of cities and towns on the river Danube, cities on the river Danube. ...
,
Győr
Győr ( , ; ; names of European cities in different languages: E-H#G, names in other languages) is the main city of northwest Hungary, the capital of Győr-Moson-Sopron County and Western Transdanubia, Western Transdanubia region, and – halfwa ...
and
Sopron
Sopron (; , ) is a city in Hungary on the Austrian border, near Lake Neusiedl/Lake Fertő.
History
Ancient times-13th century
In the Iron Age a hilltop settlement with a burial ground existed in the neighbourhood of Sopron-Várhely.
When ...
. The river Danube runs along the north of the county, and the
Lake Neusiedl
Lake Neusiedl (, ; or ; ; ; ), or Fertő (), is the largest endorheic lake in Central Europe, straddling the Austrian– Hungarian border. The lake covers , of which is on the Austrian side and on the Hungarian side. The lake's drainage basi ...
(Hungarian: Fertő tó) lies partly in the county. Its area was 2013 km
2 around 1910.
Capitals
The capital of the county was the town of Moson initially. The capital was moved to nearby Magyaróvár in the Middle Ages. Moson and Magyaróvár merged in 1939 to form the city of
Mosonmagyaróvár
Mosonmagyaróvár (; ; also known by other alternative names) is a town in Győr-Moson-Sopron County in northwestern Hungary. It lies close to both the Austrian and Slovak borders and has a population of 32,752 ().
Mosonmagyaróvár used ...
.
History
The Moson comitatus arose as one of the first comitatuses of the Kingdom of Hungary.
In 1920 by the
Treaty of Trianon
The Treaty of Trianon (; ; ; ), often referred to in Hungary as the Peace Dictate of Trianon or Dictate of Trianon, was prepared at the Paris Peace Conference (1919–1920), Paris Peace Conference. It was signed on the one side by Hungary ...
a tiny part of Moson county close to
Pressburg
Bratislava (German: ''Pressburg'', Hungarian: ''Pozsony'') is the Capital city, capital and largest city of the Slovakia, Slovak Republic and the fourth largest of all List of cities and towns on the river Danube, cities on the river Danube. ...
(Pozsony, today's
Bratislava
Bratislava (German: ''Pressburg'', Hungarian: ''Pozsony'') is the Capital city, capital and largest city of the Slovakia, Slovak Republic and the fourth largest of all List of cities and towns on the river Danube, cities on the river Danube. ...
) became part of newly formed
Czechoslovakia
Czechoslovakia ( ; Czech language, Czech and , ''Česko-Slovensko'') was a landlocked country in Central Europe, created in 1918, when it declared its independence from Austria-Hungary. In 1938, after the Munich Agreement, the Sudetenland beca ...
. The eastern part stayed in Hungary and merged with
Győr
Győr ( , ; ; names of European cities in different languages: E-H#G, names in other languages) is the main city of northwest Hungary, the capital of Győr-Moson-Sopron County and Western Transdanubia, Western Transdanubia region, and – halfwa ...
county and a very small part of
Pozsony county
Pozsony county was an administrative county (Comitatus (Kingdom of Hungary), comitatus) of the Kingdom of Hungary. Its territory is now mostly part of Slovakia, while a small area belongs to Hungary. In 1969, the three villages that remained in H ...
to form Győr-Moson-Pozsony county. The western part became part of the new
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 ...
n land
Burgenland
Burgenland (; ; ; Bavarian language, Austro-Bavarian: ''Burgnland''; Slovene language, Slovene: ''Gradiščanska''; ) is the easternmost and least populous Bundesland (Austria), state of Austria. It consists of two statutory city (Austria), statut ...
(formed in 1921). Three villages – Dunacsún, (
Čunovo
Čunovo (, , ) is a small part of Bratislava, Slovakia, in the southern area near the Hungary, Hungarian border. It is located close to the Gabčíkovo - Nagymaros Dams.
History
Čunovo was first mentioned as a village in 1232 under the name ''C ...
), Horvátjárfalu (
Jarovce
Jarovce (, , ) is a small borough of Bratislava, Slovakia.
History
The village was first mentioned in 1208 under the name ''Ban''. During the Ottoman wars, many Croats settled here in the 16th century (therefore "Croatian" in the German name, ...
), and Oroszvár (
Rusovce
Rusovce (, ) is a borough in southern Bratislava on the right bank of the Danube river, close to the Austrian border.
History
In the 1st century, there was a Roman settlement named Gerulata in today's Rusovce area. The first preserved writte ...
) – became part of Czechoslovakia.
After
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 ...
, Győr-Moson-Pozsony county merged with
Sopron County
Sopron (German language, German: ''Ödenburg'', Slovak language, Slovak: ''Šopron'') was an administrative county (Comitatus (Kingdom of Hungary), comitatus) of the Kingdom of Hungary. Its territory is now divided between Austria and Hungary. Th ...
to form Győr-Sopron county. This county was renamed to
Győr-Moson-Sopron county in the early 1990s.
Demographics
1900
In 1900, the county had a population of 89,714 people and was composed of the following linguistic communities:
Total:
*
German
German(s) may refer to:
* Germany, the country of the Germans and German things
**Germania (Roman era)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizenship in Germany, see also Ge ...
: 54,508 (60.7%)
*
Hungarian: 25,991 (29.0%)
*
Croatian: 8,017 (8.9%)
*
Slovak: 589 (0.7%)
*
Romanian
Romanian may refer to:
*anything of, from, or related to the country and nation of Romania
**Romanians, an ethnic group
**Romanian language, a Romance language
***Romanian dialects, variants of the Romanian language
**Romanian cuisine, traditional ...
: 21 (0.0%)
*
Serbian
Serbian may refer to:
* Pertaining to Serbia in Southeast Europe; in particular
**Serbs, a South Slavic ethnic group native to the Balkans
** Serbian language
** Serbian culture
**Demographics of Serbia, includes other ethnic groups within the co ...
: 3 (0.0%)
*
Ruthenian: 1 (0.0%)
* Other or unknown: 584 (0.7%)
According to the census of 1900, the county was composed of the following religious communities:
Total:
*
Roman Catholic
The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
: 77,934 (86.9%)
*
Lutheran
Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and Protestant Reformers, reformer whose efforts to reform the theology and practices of the Catholic Church launched ...
: 9,309 (10.4%)
*
Jewish
Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...
: 2,180 (2,4)
*
Calvinist
Reformed Christianity, also called Calvinism, is a major branch of Protestantism that began during the 16th-century Protestant Reformation. In the modern day, it is largely represented by the Continental Reformed Protestantism, Continenta ...
: 256 (0.3%)
*
Greek Catholic Greek Catholic Church or Byzantine-Catholic Church may refer to:
* The Catholic Church in Greece
* The Eastern Catholic Churches
The Eastern Catholic Churches or Oriental Catholic Churches, also known as the Eastern-Rite Catholic Churches, Ea ...
: 19 (0.0%)
*
Unitarian: 8 (0.0%)
*
Greek Orthodox
Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
: 4 (0.0%)
* Other or unknown: 4 (0.0%)
1910

In 1910, the county had a population of 94,479 people and was composed of the following linguistic communities:
Total:
*
German
German(s) may refer to:
* Germany, the country of the Germans and German things
**Germania (Roman era)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizenship in Germany, see also Ge ...
: 51,997 (55.0%)
*
Hungarian: 33,006 (34.9%)
*
Croatian: 8,123 (8.6%)
*
Slovak: 735 (0.8%)
*
Ruthenian: 7 (0.0%)
*
Romanian
Romanian may refer to:
*anything of, from, or related to the country and nation of Romania
**Romanians, an ethnic group
**Romanian language, a Romance language
***Romanian dialects, variants of the Romanian language
**Romanian cuisine, traditional ...
: 5 (0.0%)
*
Serbian
Serbian may refer to:
* Pertaining to Serbia in Southeast Europe; in particular
**Serbs, a South Slavic ethnic group native to the Balkans
** Serbian language
** Serbian culture
**Demographics of Serbia, includes other ethnic groups within the co ...
: 2 (0.0%)
* Other or unknown: 604 (0.7%)
According to the census of 1910, the county was composed of the following religious communities:
Total:
*
Roman Catholic
The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
: 82,636 (87.5%)
*
Lutheran
Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and Protestant Reformers, reformer whose efforts to reform the theology and practices of the Catholic Church launched ...
: 9,551 (10.1%)
*
Jewish
Jews (, , ), or the Jewish people, are an ethnoreligious group and nation, originating from the Israelites of History of ancient Israel and Judah, ancient Israel and Judah. They also traditionally adhere to Judaism. Jewish ethnicity, rel ...
: 1,881 (2,0)
*
Calvinist
Reformed Christianity, also called Calvinism, is a major branch of Protestantism that began during the 16th-century Protestant Reformation. In the modern day, it is largely represented by the Continental Reformed Protestantism, Continenta ...
: 355 (0.4%)
*
Greek Catholic Greek Catholic Church or Byzantine-Catholic Church may refer to:
* The Catholic Church in Greece
* The Eastern Catholic Churches
The Eastern Catholic Churches or Oriental Catholic Churches, also known as the Eastern-Rite Catholic Churches, Ea ...
: 37 (0.0%)
*
Greek Orthodox
Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
: 12 (0.0%)
*
Unitarian: 5 (0.0%)
* Other or unknown: 2 (0.0%)
Subdivisions

In the early 20th century, the subdivisions of Moson county were:
Neusiedl am See
Neusiedl am See (; ; ; ; ) is a town in Burgenland, Austria, and administrative center of the district of Neusiedl am See.
Neusiedl am See is located on the northern shore of Lake Neusiedl.
Geography
Neusiedl am See is located in eastern Au ...
is now in Austria.
References
{{Authority control
States and territories disestablished in 1920
Counties in the Kingdom of Hungary