- an exclave of Angola, on the W coast of Africa. 2807 sq. mi. (7270 sq. km).
- a seaport in and the capital of this exclave, on the Congo (Zaire) River.
- an exclave of Angola, separated from the rest of the country by part of the Democratic Republic of Congo (formerly Zaïre). Pop: about 300 000 (2002 est). Area: 7270 sq km (2807 sq miles)