a republic in W Africa: member of the Commonwealth of Nations; formerly a British colony and protectorate. 107,129,469; 356,669 sq. mi. (923,773 sq. km). Capital:Abuja.
A·bu·ja (ä-bōō'jä) The capital of Nigeria, in the central part of the country. Although the capital was officially moved to Abuja from Lagos in 1991, the city is largely undeveloped, and many government offices remain in Lagos. Population: 660,000.