- a sultanate under British protection on the NW coast of Borneo: formerly a British protectorate; gained independence 1984. 2,220 sq. mi. (5,750 sq. km).Capital: Bandar Seri Begawan.
- a sultanate in NW Borneo, consisting of two separate areas on the South China Sea, otherwise bounded by Sarawak: controlled all of Borneo and parts of the Philippines and the Sulu Islands in the 16th century; under British protection since 1888; internally self-governing since 1971; became fully independent in 1984 as a member of the Commonwealth. The economy depends chiefly on oil and natural gas. Official language: Malay; English is also widely spoken. Religion: Muslim. Currency: Brunei dollar. Capital: Bandar Seri Begawan. Pop: 415 717 (2013 est). Area: 5765 sq km (2226 sq miles)
- the former name of Bandar Seri Begawan
