Owerri (/oʊˈwɛriː/oh-werr-ee, Igbo: Owèrrè) is the capital of Imo State in Nigeria, set in the heart of the Igboland. Owerri consists of three Local Govern Areas including Owerri Municipal, Owerri North and Owerri West, it has an estimated population of about 400,000 as of 2006 and is approximately 40 square miles (100 km2) in area. Owerri is bordered by the Otamiri River to the east and the Nworie River to the south.