Want this question answered?
New Zealand.
Sydney, Melbourne, and Brisbane are in the continent (and nation) of Australia.
New Zealand is the closest island nation east of the city of Melbourne. However, it is approximately 2300 km away.
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.
The large island nation off the southeastern coast of Africa is Madagascar.
New Zealand is the island nation southeast of Australia.
The largest island nation in the world is Indonesia, located in Southeast Asia. It is made up of over 17,000 islands, with the largest being Java, Sumatra, Borneo, and New Guinea.
The three largest cities in southeastern Australia are Sydney (capital of New South Wales), Melbourne (capital of Victoria) and Adelaide (capital of South Australia). Canberra, the nation's capital, follows Adelaide in size.
Madagascar is an island nation in the Indian Ocean off the southeastern coast of Africa
The island nation of Australia is also a continent.
Tasmania is the island south of the Australian mainland. It is, however, part of the nation of Australia.
An island nation is a country that is completely surrounded by water. Some examples of island nations are Indonesia, Australia, Iceland, and Great Britain.