Area: total: 7,741,220 sq km land: 7,682,300 sq km water: 58,920 sq km note: includes Lord Howe Island and Macquarie Island Area - comparative: slightly smaller than the US contiguous 48 states Land boundaries: 0 km Coastline: 25,760 km
Climate: generally arid to semiarid; temperate in south and east; tropical in north Terrain: mostly low plateau with deserts; fertile plain in southeast Elevation extremes: lowest point: Lake Eyre -15 m highest point: Mount Kosciuszko 2,229 m