Australia's 7,686,850 square kilometres landmass is on the Indo-Australian Plate.
Surrounded by the Indian
, Southern and Pacific
oceans, Australia is separated from Asia
by the Arafura and Timor seas.
The Great Barrier Reef, the world's largest coral reef, lies a short distance off the north-east coast and extends for over 2,000 kilometres.
's largest monolith, Mount Augustus, is located in Western Australia.
At 2,228 metres, Mount Kosciuszko on the Great Dividing Range is the highest mountain on the Australian mainland,
although Mawson Peak on the remote Australian territory of Heard Island is taller at 2,745 metres.
Its capital is Canberra.