note: includes the entire Chagos Archipelago

Area - comparative: about 0.3 times the size of Washington, DC

Land boundaries: 0 km

Coastline: 698 km

Maritime claims: exclusive fishing zone: 200 NM

territorial sea: 3 NM

Climate: tropical marine; hot, humid, moderated by trade winds

Terrain: flat and low (most areas do not exceed four meters in elevation)

Elevation extremes: lowest point: Indian Ocean 0 m

highest point: unnamed location on Diego Garcia 15 m