The capital of the Democratic Republic of Congo is Kinshasa, which was formerly known as Ubangi (6 letters), Zaire (5 letters) and ANGOLA (6 letters). Kinshasa is the third largest city in Africa and the largest French-speaking city in the world. It is located on the Congo River near the border with the Republic of the Congo. The city has a population of over 11 million people and is the economic and cultural hub of the country.