[1] The Isoko South Local Government Area covers a low-lying section of the larger Niger Delta Basin, interspersed with streams, canals and rivers.

Communities inhabiting Isoko South include the Aviara, Olomoro, Emede, Enhwe, Erowha, Igbide, Irri, Okpolo, Oleh, Delta, Umeh and Uzere.

Current population centres include Oleh town - the seat of the Isoko South government - as well as the Olomoro urban community.

[5] The massive growth of the oil and gas industries has created significant environmental challenges, and have been a source of much concern for the local government.

The local government has since engaged in extensive project work to combat the effects of oil and gas pollution.