The Obolo (Andoni) People, also known as Andoni tribe, is part of the proposed Obolo State. Obolo people are found in Rivers. They are part of Ijaw ethnic group, and have historical relations with Oron people, Ohafia, Ogoloma, Ido and Ibeno people of Niger Delta in Nigeria.

The Akassa tribe located in Bayelsa of the Ijaw people lives along the Nun River estuary and the Atlantic Coast of southern Bayelsa State, Nigeria. Akassa settlements include: Opu-Akassa, Sangana, and Kamatoru.

Abua: is a Local Government Area in Rivers State, Nigeria. Its headquarters is located in Ayama/Abua Central Abua. It has an area of 704 km2and a population of 282,988 at the 2006 census. Abua consists of Otapha, Okpeden, Ogbo Abuan, and Emughan. Each has its own ruler and minimum of seven villages under it.