4. Dar es Salaam, Tanzania

Former capital, richest and largest city in Tanzania, Dar es Salaam is the major city for both business and government in Tanzania.

3. Abuja, Nigeria

Nigeria’s capital, Abuja was built in the 80’s before being disposing Lagos as the capital city of the most populous black nation in the world by the administration of General Ibrahim Badamosi Babangida (IBB) in 1991. The city is one of the richest and most expensive in Africa.