Abuja is the capital city

Capital City

Capital City was a television show produced by Euston Films which focused on the lives of investment bankers in London living and working on the corporate trading floor for the fictional international bank Shane-Longman....

 of Nigeria

Nigeria

Nigeria , officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in...

. It is located in the centre of Nigeria, within the Federal Capital Territory

Federal Capital Territory, Nigeria

The Federal Capital Territory is the home of Abuja, the capital of Nigeria. The Territory was formed in 1976 from parts of former Nasarawa, Niger, and Kogi States. It is in the central region of the country...

 (FCT). Abuja is a planned city, and was built mainly in the 1980s. It officially became Nigeria's capital on 12 December 1991, replacing Lagos

Lagos

Lagos is a port and the most populous conurbation in Nigeria. With a population of 7,937,932, it is currently the third most populous city in Africa after Cairo and Kinshasa, and currently estimated to be the second fastest growing city in Africa...

. At the 2006 census, the city of Abuja had a population of 776,298.

Abuja's geography is defined by Aso Rock

Aso Rock

Aso Rock is a large outcrop that is on the outskirts of Abuja, the capital of Nigeria. The Aso Rock is a 400 metre monolith and is the city's most noticeable feature. The Nigerian Presidential Complex, Nigerian National Assembly, and Nigerian Supreme Court are located around it. Much of the town...

, a 400-metre monolith

Monolith

A monolith is a geological feature such as a mountain, consisting of a single massive stone or rock, or a single piece of rock placed as, or within, a monument...

 left by water erosion. The Presidential Complex

Nigerian Presidential Complex

The Nigerian Presidential Complex, officially known as "State House", and "The Aso Rock Presidential Villa" and informally as " The Rock", "The Villa" or "Aso Villa", is the office and residence of the Nigerian President...

, National Assembly

Nigerian National Assembly

The National Assembly of the Federal Republic of Nigeria is a bicameral legislature established under section 4 of the Nigerian Constitution. It consists of a Senate and a 360-member House of Representatives...

, Supreme Court and much of the town extend to the south of the rock.