Otoesan kin obo ebholo na da mhonli iluemhinye non gbale bhi oto Edo, Nigeria. Ole mhonli LGA isen bhi oto Edo. Otoesan ri bhi obole nonsi West bhi Niger River. Ole bi oto Kogi, oto Delta, Edo South Senatorial District bi Edo North Senatorial District. Otoesan degue ebe si 2,800 km bi ole da ye kin uwa reji ulin ulin ebholo. Ibhokhin-Esan bi iluemhinye nonsele bhi Otoesan mhonli iluemhinye okpa.