Australiais an Oceanian country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the world's sixth-largest country by total area. Capitals.The Murray Riveris Australia's longest river, at 2,508 kilometres (1,558 mi) in length. The Murray rises in the Australian Alps, draining the western side of Australia's highest mountains, and then meanders across Australia's inland plains, forming the border between the states of New South Wales and Victoria as it flows to the northwest into South Australia. It turns south at Morgan for its final 315 kilometres (196 mi), reaching the ocean at Lake Alexandrina.The Victoria Riveris a river in the Victoria Bonaparte bioregion of the Northern Territory, Australia.Lake Eyre, officially known as Kati Thanda–Lake Eyre, contains the lowest natural point in Australia, at approximately 15 m (49 ft) below sea level, and, on the rare occasions that it fills, is the largest lake in Australia.Daly Riveris the name of a river and a town in the Northern Territory of Australia. At the 2006 census, Daly River had a population of 468.Lake Victoriais a naturally occuring shallow freshwater Lake, approximately 60 kilometres downstream of the Murray-Darling Junction in south-western New South Wales.