| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brass, Nigeria | 1,404,000,000 | Nigeria | Bayelsa State | Africa | 4.3150000572 | 6.2416667938 | website | 185,049 | Map | |||||||
| Yenagoa | 1,698,000,000 | Nigeria | Bayelsa State | Africa | 5.0333333015 | 6.3333334923 | website | Map | ||||||||
| Aguru | Nigeria | Bayelsa State | Africa | 5.0666670000 | 6.1333330000 | website | Map | |||||||||
| Amassama | Nigeria | Bayelsa State | Africa | 4.9730872000 | 6.1089697000 | website | Map | |||||||||
| Ayama | Nigeria | Bayelsa State | Africa | 4.8707870000 | 6.2103887000 | website | Map |