Australia is the world’s sixth-largest country covering an area of 2,941,299 sq miles. The biggest cities of Australia are Perth (Western Australia), Canberra (Capital Territory), Melbourne, Sydney (New South Wales), Cairns, Brisbane, Townsville (Queensland), Alice Springs, Darwin (Northern Territory), Adelaide (South Australia), and Hobart (Tasmania). Australia is dotted with lakes – Lake Austin, Lake Bairee, Lake MacLeod, Lake Carnegie, Lake Gregory, Rason Lake, Lake Eyre, Lake Gairdner, Lake Blanche, and Lake Fame are some of the best known lakes of the western and South regions. The west-central regions are largely deserted and some of the best-known points of interest in the country are the Sydney Opera House, Kangaroo Island, Mungo National Park, Kakadu, and Hobart.