Angola, officially the Republic of Angola, is a country on the west-central coast of Southern Africa. It is the second-largest Lusophone (Portuguese-speaking) country in both total area and population and is the seventh-largest country in Africa. It is bordered by Namibia to the south, the Democratic Republic of the Congo to the north, Zambia to the east, and the Atlantic Ocean to the west. Angola has an exclave province, the province of Cabinda, that borders the Republic of the Congo and the Democratic Republic of the Congo. The capital and most populous city is Luanda.