High Quality Content by WIKIPEDIA articles! Ijaw (also known by the subgroups "Ijo" or "Izon") are a collection of peoples indigenous mostly to the forest regions of the Bayelsa, Delta, and Rivers States within the Niger Delta in Nigeria. Some are resident in Akwa-Ibom, Edo, and Ondo states also in Nigeria. Many are found as migrant fishermen in camps as far west as Sierra Leone and as far east as Gabon along the Western Africa coastline.