The Commonwealth of Australia is called Australia for short. Located in the southwest of Oceania, it faces the Pacific Ocean in the northeast and the Indian Ocean in the west and south. It consists of islands such as the Australian mainland and Tasmania. Australia is surrounded by the sea, with a total coastline of 36,735 kilometers. It covers an area of 7.68 million kilometers. The population is about 6.5438+0.789 million. Canberra, the capital. Most of Australia's inland terrain is low and flat, with an average elevation of 300 meters, of which Kosi Asco Mountain is the highest peak, with an elevation of 2228 meters. 35% of the whole territory is desert and semi-desert. Rivers are mostly intermittent inland rivers. Mostly tropical and subtropical climate.