Onitsha

Onitsha ( or simply Ọ̀nị̀chà) is a city on the eastern bank of the Niger River, in Anambra State, Nigeria. Onitsha along with various cities and towns in southern Anambra State, northern Imo State and neighboring Delta State on the western bank of the Niger River, form a continuous metropolitan area.

As of 2016, the greater Onitsha area had an estimated population of around eight million people in central and southern Anambra state extending into neighboring Delta state to the west and Imo state to the south. Spread across parts of these three states, the greater Onitsha area is regarded as one of the largest metropolitan areas in Nigeria by both population and landmass. The continuous urban sprawl or conurbation of greater Onitsha spreads across several separate cities and their satellite towns and suburbs including Asaba, Obosi, Ogidi, Oba, Ogbaru, Nnewi, the Anambra State capital Awka down to Orlu in Imo State. As of 2025, Onitsha city proper has an estimated population of 5,628,000.