Geographic coordinates:
22 10 N, 113 33 E

Map references:
Southeast Asia

Area:
total: 25.4 sq km
land: 25.4 sq km
water: 0 sq km

Area - comparative:
about 0.1 times the size of Washington, DC

Land boundaries: total: 0.34 km regional border: China 0.34 km

Coastline:
41 km

Maritime claims:
not specified

Climate:
subtropical; marine with cool winters, warm summers

Terrain:
generally flat

Elevation extremes:
lowest point: South China Sea 0 m
highest point: Coloane Alto 172.4 m