Aboriginal Australians originally came from Asia via island Southeast Asia and have been in Australia for at least 45,000–50,000 years.
Australia is a country and continent surrounded by the Indian and Pacific oceans. Its major cities – Sydney, Brisbane, Melbourne, Perth, Adelaide – are coastal. Its capital, Canberra, is inland. The country is known for its Sydney Opera House, the Great Barrier Reef, a vast interior desert wilderness called the Outback, and unique animal species like kangaroos and duck-billed platypuses.
Currency: Australian dollar
Population: 23.13 million
Current Prime minister: Malcolm Turnbull