Sungbo's Eredo
Ijebu Ode, Nigeria
Sungbo's Eredo is a system of defensive walls and ditches that is located to the southwest of the Yoruba town of Ijebu Ode in Ogun State, southwest Nigeria (6.78700°N 3.87488°E / 6.78700, 3.87488). It was built in honour of the Ijebu noblewoman Oloye Bilikisu Sungbo. The location is on Nigeria's tentative list of potential UNESCO World Heritage Sites.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).