UK
All those islands belong to the country of Canada.
Europe
CANADA
Italy
The mediterranean island of Corsica belong the country of France
Sumatra is an island located on the Sundra Islands. The island belongs to the country of Indonesia and is the 6th largest island in the world.
Madeira Island is part of Portugal.
The island Java, belongs to Indonesia
Sicily is a region of Italy but they have a self governing community. Although its under Italy, it isn't a separate country.
It is one of the 50 US States.
It is the special territory of Chile
Greenland