Question

who are closest neighbours to australia

Answer 1

Newzea Land is closest to Australia

Answer 2

Papua New Guinea is Australia's closest neighbor (with roughly 6 km separating the two countries at the nearest point, and with both nations sharing the same continent), and a former dependent territory of Australia.

Indonesia is Australia's largest near neighbouring country and belongs to both the Asia-Pacific and South-East Asian regions. Australia's second and third largest neighbours, Papua New Guinea and New Zealand, are referred to as belonging to the Oceania region.