Location: Southeastern Asia, island in the Indian Ocean, south of Indonesia
Geographic coordinates: 10 30 S, 105 40 E
Map references: Southeast Asia
Area: total: 135 sq km land: 135 sq km water: 0 sq km
Area - comparative: about three-quarters the size of Washington, DC
Land boundaries: 0 km
Coastline: 138.9 km
Maritime claims: territorial sea: 12 nm contiguous zone: 12 nm exclusive fishing zone: 200 nm
Climate: tropical with a wet season (December to April) and dry season; heat and humidity moderated by trade winds
Terrain: steep cliffs along coast rise abruptly to central plateau
Elevation extremes: lowest point: Indian Ocean 0 m highest point: Murray Hill 361 m
Natural resources: phosphate, beaches
Land use: arable land: 0% permanent crops: 0% other: 100% (mainly tropical rainforest; 63% of the island is a national park) (2005)
Irrigated land: NA
Natural hazards: the narrow fringing reef surrounding the island can be a maritime hazard
Environment - current issues: loss of rainforest; impact of phosphate mining
Environment - international agreements:
Geography - note: located along major sea lanes of Indian Ocean