Australia Map

Courtesy of shinta from postcrossing forum

Australia, officially the Commonwealth of Australia, is a developed country in the Southern Hemisphere comprising the mainland of the Australian continent (the world's smallest), the island of Tasmania and numerous smaller islands in the Indian and Pacific Oceans. Neighbouring countries include Indonesia, East Timor and Papua New Guinea to the north, the Solomon Islands, Vanuatu and New Caledonia to the northeast and New Zealand to the southeast.