- a seaport in SW Nigeria: former capital.
- the former capital and chief port of Nigeria, on the Bight of Benin: first settled in the sixteenth century; a slave market until the nineteenth century; ceded to Britain (1861); university (1962). Pop: 11 135 000 (2005 est)
- a state of SW Nigeria. Capital: Ikeja. Pop: 9 013 534 (2006). Area: 3345 sq km (1292 sq miles)
Capital of Nigeria and largest city in the country, located in the southwest corner of Nigeria on the Gulf of Guinea, an arm of the Atlantic Ocean; Nigeria’s economic center and chief port.