The Imo River (Igbo:Imo) is located in southeastern Nigeria and flows 240 kilometres (150 mi) into the Atlantic Ocean. In Akwa Ibom State, the river is known as Imoh River, that is, Inyang Imoh, which translates to River of Wealth. Its estuary is around 40 kilometres (25 mi) wide, and the river has an annual discharge of 4 cubic kilometres (1.0 cu mi) with 26,000 hectares of wetland. The Imo's tributary rivers are the Otamiri and Oramirukwa. The Imo was cleared under the British colonial administration of Nigeria in 1907–1908 and 1911; first to Aba and then to Udo near Umuahia.

Akwa Ibom State is a state in the South-South geopolitical zone of Nigeria, bordered on the east by Cross River State, on the west by Rivers State and Abia State, and on the south by the Atlantic Ocean. The state takes its name from the Qua Iboe River which bisects the state before flowing into the Bight of Bonny. Akwa Ibom was split from Cross River State in 1987 with her capital Uyo and with 31 local government areas.