Coastline:
25,760 km
Maritime claims:
territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200 nm or to the edge of the continental margin
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