Former disputed land areas

peninsula in the Red Sea

Burgenland (; ; ; Austro-Bavarian: ; ; ) is the easternmost and least populous state of Austria. It consists of two statutory cities and seven rural districts, with a total of 171 municipalities. It is long from north to south but much narrower from west to east ( wide at Sieggraben). The population of Burgenland as of 1 January 2025 is 301,790. Burgenland's capital is Eisenstadt.

thumb|The parts of Karelia, as divided today

thumb|Map of Bessarabia from Charles Upson Clark's 1927 book Bessarabia, Russia and Romania on the Black Sea

Slavonia (; ) is one of the four historical regions of Croatia, along with Dalmatia, Croatia proper, and Istria. Located in the Pannonian Plain and taking up the east of the country, it roughly corresponds with five Croatian counties: Brod-Posavina, Osijek-Baranja, Požega-Slavonia, Virovitica-Podravina, and Vukovar-Syrmia, although the territory of the counties includes Baranya, and the definition of the western extent of Slavonia as a region varies. The counties cover or 22.2% of Croatia, inhabited by 806,192—18.8% of Croatia's population. The largest city in the region is Osijek, followed by

Cieszyn ( , ; ; ) 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 inhabitants ( and lies opposite Český Těšín in the Czech Republic. Both towns belong to the historical region of Cieszyn Silesia, and formerly constituted the capital of the Duchy of Cieszyn as a single town.

thumb|upright=1.2|The native German-speaking regions in 1930, within the borders of the current Czech Republic, which in the [[interwar period were referred to as the Sudetenland:

town in Egypt

Polish territory (1920–1939, 1945–)

former country

island off the coast of Ellesmere Island, belonging to Canada and Denmark

Syrmia (; ; ) is a region of the southern Pannonian Plain, which lies between the Danube and Sava rivers. It is divided between Croatia and Serbia. Most of the region is flat, with the exception of the low Fruška Gora mountain stretching along the Danube in its northern part.

human settlement in Kowloon City, Hong Kong

A Saudi island

former country

Eastern Borderlands (), often simply Borderlands (, ) was a historical region of the eastern part of the Second Polish Republic. The term was coined during the interwar period (1918–1939). Largely agricultural and extensively multi-ethnic with a Polish minority, it amounted to nearly half of the territory of interwar Poland. Historically situated in the eastern Polish–Lithuanian Commonwealth, following the 18th-century foreign partitions it was divided between the Empires of Russia and Austria-Hungary, and ceded to Poland in 1921 after the Treaty of Riga. As a result of the post-World War II b

a salt marsh near the Arabian Sea on the India-Pakistan border

strip of land between Chad and Libya

geographical and historical region of Hungary

Norwegian claim to an area of eastern Greenland from 1931 to 1933

eastern territories lost by Germany after World War I and then World War II

Early 19th century US fur trade district in North America

Trans-Olza (, ; , Záolší; ), also known as Trans-Olza Silesia (), is a territory in the Czech Republic which was disputed between Poland and Czechoslovakia during the Interwar Period. Its name comes from the Olza River.

slave state that had not declared a secession from the Union during the American Civil War

border dispute

historical region in present-day Lithuania and Belarus

enclaves along the Bangladesh–India border

Historical region in North America

dispute over Shandong Peninsula after Treaty of Versailles

historic county in Wales

district in Malaysia

Jiandao or Chientao, known in Korean as Gando or Kando, is a historical border region along the north bank of the Tumen River in Jilin Province, Northeast China, that has a high population of ethnic Koreans. The word "Jiandao", literally "Middle Island", originally referred to a shoal in Tumen River between today's Chuankou Village, Kaishantun in Longjing, Jilin, China, and Chongsŏng, Onsong County, in North Korea. The island was an important landmark for immigrants from the Korean Peninsula looking to settle across the river. As the number of immigrants increased, the area covered by the name