Ubicación: Southeastern Asia, bordering the South China Sea and Malaysia
Coordenadas geográficas: 4° 30' N, 114° 40' E
Km de línea costera: 161 km km
Clima: tropical; hot, humid, rainy
Terreno: flat coastal plain rises to mountains in east; hilly lowland in west
Cumbres: lowest point: South China Sea 0 m highest point: Bukit Pagon 1,850 m
Riesgos naturales: typhoons, earthquakes, and severe flooding are rare
Moneda: Bruneian dollars (BND)
Población: 388,190 (July 2009 est.)
Lenguas: Malay (official), English, Chinese
Capital: Bandar Seri Begawan
División administrativa: 4 districts (daerah-daerah, singular - daerah); Belait, Brunei and Muara, Temburong, Tutong