List of divided islands

Download coordinates as: This is a list of islands whose land is divided by one or more international borders.

The definite borders of modern nation states do not apply in other forms of societal organisation, where "divided" islands may consequently be less noteworthy.

For example, in Ancient Greece, the island of Euboea was divided among several city-states, including Chalcis and Eretria; and before its settlement by Europeans, the Island of Tasmania was divided among nine indigenous tribes.

Islands in wartime may be divided between an invading and defending power, as with Crete in 1645–1669 between the Ottoman Empire and the Republic of Venice.

Chek Lap Kok in Hong Kong is divided between Islands and Tuen Mun districts, and Lantau is divided between Islands and Tsuen Wan districts.