water: 0 sq km
Area - comparative: slightly more than two 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: Southern Ocean 0 m
highest point: Big Ben 2,745 m