They share borders linguistically in the west with the Edo speakers, in the north with the Ishan speakers, in the East with the Anioma language speakers and in the south with the Ukwuani speakers.
The western (or Northern) Niger Delta is an heterogeneous society with several ethnic groups including the Urhobo, Igbo, Isoko, Itsekiri, Ijaw (or Ezon) and Ukwuani (Igbo) groups in Delta State, along with Yoruba (Ilaje) in Ondo State.