Australia

Australia, officially the Commonwealth of Australia, is a country in the southern hemisphere comprising the mainland of the world's smallest continent, the major island of Tasmania and numerous other islands in the Indian and Pacific Oceans. Australia is the only single country to occupy an entire continent. Since federation, Australia has maintained a stable liberal democratic political system and remains a Commonwealth realm. The capital city is Canberra, located in the Australian Capital Territory (ACT). The population is just over 21.3 million, with approximately 60% of the population concentrated in and around the mainland state capitals of Sydney, Melbourne, Brisbane, Perth and Adelaide. The term 'Australia is derived from 'Terra Australis', the name given to a southern landmass whose existence geographers deduced before it was discovered.