Australia, New Guinea, and Tasmania
Papua New Guinea
Just above Tasmania is the mainland Australia and New Zealand is South-East of Tasmania. Tasmania is a part of Australia
Kookaburra
The countries that are Australia's closest neighbours are Papua New Guinea, East Timor and Indonesia. At their closest point, the mainland of Australia and Papua New Guinea are 150 km from each other. New Zealand is also quite close.
Papua New Guinea, and the island of New Guinea on which it is located, is part of Oceania, which is a geographical region and not a continent. It is not part of Australia.Papua New Guinea has been an independent country since 16 September 1975. Before that Papua New Guinea was a territory which was governed by Australia.The Pangaea theory states that long ago, the island of New Guinea was connected to Australia.
Australia's most common large kangaroo, the red kangaroo, is not found in Australia's island state of Tasmania. Foresters kangaroos, a sub-species of Eastern Grey kangaroo, are found in Tasmania, and there are also numerous wallaby species, as well as the Tasmanian pademelon. The only kangaroos found in New guinea (which comprises both papua New Guinea and a province of Indonesia) are various species of tree kangaroo.
The Tasman Sea is not part of Tasmania. It is the sea that lies between Australia and New Zealand and, like Tasmania, is named after Dutch explorer Abel Tasman.
The Southern boobook owl lies in New Zealand and Tasmania. It is also found on mainland Australia and in New Guinea.
Tasmania is a part of Australia exclusively. It is one of Australia's states, and is not shared with any other country. The first Europeans to find Tasmania were Dutch, hence why Australia was called, New Holland. The Dutch have nothing to do with Tasmania any more. After them the British settled Australia.
Thylacines are native to Australia, New Guinea, and Tasmania. But its last sighting was in Mambanna, in the northeast of the states.
The tawny frogmouth lives all throughout Australia and also in Papua New Guinea. Including Tasmania btw.