Coastline: 101.9 km

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

International disputes: none

Climate: antarctic

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

Natural resources: none

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

Irrigated land: 0 sq km

Environment:
current issues: NA
natural hazards: Heard Island is dominated by a dormant volcano called
Big Ben
international agreements: NA

Note: primarily used for research stations