| name | office head of government | Mayor | image | Area (m²) | date founded | Elevation (m) | Country | administrative division | continent | latitude (°) | waterbody | longitude (°) | Website | population (people) | Demonym | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Port Harcourt |  | 360,000,000 | 1912 | 18 | Nigeria | Rivers State | Africa | 4.7500000000 | Gulf of guinea | 7.0000000000 | website | 1,005,904 | Map | |||
| Owo Ogono | Nigeria | Rivers State | Africa | 4.6423790000 | 7.1522700000 | website | Map | |||||||||
| Bonny, Rivers |  | 645,600,000 | Nigeria | Rivers State | Africa | 4.4333333969 | 7.1666665077 | website | 18,071 | Map |