Umuahia (pronounced [ʊmʊaːhiaː]) is the capital of Abia State in southeastern Nigeria. Umuahia is located along the rail road that lies between Port Harcourt to Umuahia's south and Enugu city to its north. Umuahia has a population of 359,230 according to the 2006 Nigerian census. Umuahia's indigenous ethnic group are the Igbo.