Australia
Country in Oceania This article is about the country. For the continent, see Australia (continent). For other uses, see Australia (disambiguation). Coordinates: 25°S 133°E / 25°S 133°E / -25; 133 Commonwealth of Australia Flag Coat of arms Anthem: "Advance Australia Fair" [N 1] Commonwealth of Australia, including the Australia's territorial claim in the Antarctic Capital Canberra 35°18′29″S 149°07′28″E / 35.30806°S 149.12444°E / -35.30806; 149.12444 Largest city Sydney National language English [N 2] Demonym Australian Aussie (colloquial) [3] [4] Government Federal parliamentary constitutional monarchy • Monarch Elizabeth II • Governor-General Sir Peter Cosgrove • Prime Minister Malcolm Turnbull • Deputy Prime Minister Michael McCormack • Chief Justice Susan Kiefel • Senate President Scott Ryan • House Speaker Tony Smith Legislature Parliament • Upper house Senate • Lower...