shears common boundary with Nsit Ibom and Eket Local government It is well drained by the Qua Ibo River which has tributaries scattered in many locations in the area.
Nsit Ubium covers a land mass of 242.942 sq kin; and located 6 km East of Eket.
The topography of the Local Government is undulating with shallow depressions, dry valleys and few rivers, which lie far apart between the predominant plains.
Marshes and swamps influenced by the Qua Iboe River traverse a large portion of the Local Government Area.
Nsit Ubium is under Uyo Senatorial District in Akwa Ibom North East.