Ewu is a Nigerian city situated in Esan Central Local Government area in Edo State of Nigeria. The city, an Esan tribe, lies on 200 feet in the plateau region of central Edo State, 100 kilometres north of Benin City, the capital of Edo State, Nigeria. Ewu city comprises the villages and towns of Eguare-Ewu, Ehanlen-Ewu, Ihenwen-Ewu, Uzogholo-Ewu, Ukhiodo-Ewu, Idunwele-Ewu, Eko-Ojeme, Oghodogbor, and Ukpeko Ori.
Ewu is bounded in the north by Agbede, in the south-east by Irrua, in the south-west by Ekpoma. Ewu is also pronounced Elu by natives. It is believed that Ewu is the anglicized rendering of the original name of Elu.