Abia State is a state in the south eastern part of Nigeria. The capital is Umuahia and the major commercial city is Aba, formerly a British colonial government outpost. The state was created in 1991 from part of Imo State and its citizens are predominantly Igbo people (95% of population). It is one of the nine constituent states of the Niger Delta region. Abia State, which occupies about 5,834 squ
are kilometers, is bounded on the north and northeast by the states of Anambra, Enugu, and Ebonyi. To the west of Abia is Imo State, to the east and southeast are Cross River State and Akwa Ibom State, and to the south is Rivers State. The southern part of the State lies within the riverine part of Nigeria. It is low-lying tropical rain forest with some oil-palm brush. the southern oportion gets heavy rainfall of about 2,400 millimetres (94 in) per year especially intense between the months of April through October. The rest of the State is moderately high plain and wooded savanna. The most important rivers in Abia State are the Imo and Aba Rivers which flow into the Atlantic Ocean through the Niger Delta.
