Area - comparative: slightly more than 2 times the size of Washington,
DC

Land boundaries: 0 km

Coastline: 101.9 km

Maritime claims: exclusive fishing zone: 200 nm territorial sea: 3 nm

Climate: antarctic

Terrain: Heard Island - bleak and mountainous, with a quiescent volcano; McDonald Islands - small and rocky

Elevation extremes: lowest point: Indian Ocean 0 m highest point: Big Ben 2,745 m

Natural resources: none

Land use: arable land: 0% permanent crops: 0% permanent pastures : 0% forests and woodland: 0% other: 100%

Irrigated land: 0 sq km (1993)