Location: Eastern Asia, bordering the South China Sea and China
Geographic coordinates: 22 10 N, 113 33 E
Map references: Southeast Asia
Area:
total: 21 sq km
land: 21 sq km
water: 0 sq km
Area—comparative: about 0.1 times the size of Washington, DC
Land boundaries: total: 0.34 km border countries: China 0.34 km
Coastline: 40 km
Maritime claims: not specified
Climate: subtropical; marine with cool winters, warm summers
Terrain: generally flat