I think you are thinking of Australia, but Australia is a continent not an island.
Including Tasmania, the island state of Australia, as the largest island, the third largest island of Australia would be Kangaroo Island.
there are a lot of islands like:Andaman Islands (India)Ashmore and Cartier Islands (Australia)Christmas Island (Australia)Cockatoo Island (Australia)Cocos (Keeling) Islands(Australia)Dirk Hartog Island (Australia)Garden Island(Australia)Houtman Abrolhos (Australia)Jaffna Islands (Sri Lanka)Kangaroo Island (Australia)King Island (Australia)Koolan Island (Australia)Lakshadweep Islands (India)Langkawi Islands (Malaysia you have to have a spacific one!
Australia is a Continent, Greenland is the largest island
Tasmania is Australia's island state.
There is no island nation of Australia, as Australia is a continent. Island nations of Asia which are close to Australia include Indonesia and Papua New Guinea.
Australia's largest island is the island state of Tasmania.The second largest island is Melville Island, in the Northern Territory, and the third largest island is Kangaroo Island, in South Australia.
Christmas Island lies northwest of Australia. it is one of Australia's external territories.
New Zealand is the island nation southeast of Australia.
The largest island south of the Australian mainland is Tasmania, one of Australia's states. Kangaroo Island is the largest island south of Australia that is not a state.
The biggest island near Australia that is not part of Australia, is New Guinea, which lies to Australia's north.
Australia does not have provinces. It has states.Australia's island state is Tasmania.