London is the capital city of The United Kingdom of Great Britain and Northern Ireland.
united kingdom
Depends on the island nation you are asking about. The island nation of Great Britain's capital is London. The island nation of Cuba's capital is Havana. There are dozens more. http://en.wikipedia.org/wiki/List_of_island_countries
London
Cairo is the capital and largest city of Egypt, which is not an island nation.
The capital of any nation (island or otherwise) is the city where the national government is headquartered.
London is the capital and most populous city of England and the United Kingdom
The capital of the UK is London. This city is a prominent part of British culture and features many landmarks including Big Ben and the London Eye.
The capital city of an island nation can vary. For example, the capital city of Japan is Tokyo, the capital city of New Zealand is Wellington, and the capital city of Iceland is Reykjavik.
* There is no island nation southwest of Greenland, which is the location of Canada.The island nation southeast of Greenland is Iceland, whose capital is Reykjavik.Iqaluit is the territorial capital and the largest community of the Canadian province of Nunavut, which is west of Greenland. Ottawa is the national capital of Canada, and Nunavut is part of Canada.
In Antarctica, the 20th meridian west defines the border between the British Antarctic Territory and Queen Maud Land. So the island nation's capital, as in your question, is London!
The island nation off the coast of Florida is Cuba. Its capital is Havana.
The capital is Taipei, in the island nation of Taiwan
the capital of the UK is London DUMBO. But the capital of Slovenia is Ljibujana