Angola, formerly Portuguese West Africa, officially Republic of Angola, independent state in southwestern Africa. Angola is bounded on the north and east by the Republic of Zaire, on the east by Zambia, on the south by Namibia, and on the west by the Atlantic Ocean. A small exclave, Cabinda, is located some 30 km (about 20 mi.) to the north and is bounded on the north by the Republic of the Congo, on the east and south by Zaire, and on the west by the Atlantic Ocean. Angola has a coastline of more than 1600 km (more than 1000 mi.) and a total area of 1,246,700 sq. km (481,351 sq. mi.). The capital and largest city is Luanda.