| Name | Onitsha |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 36,182,132 |
| Date founded | After 1550 |
| Elevation (m) | |
| Country | Nigeria |
| Administrative division | Anambra State |
| Continent | Africa |
| Latitude (°) | 6.1666665077 |
| Waterbody | |
| Longitude (°) | 6.7833333015 |
| Website | |
| Population (people) | 7,635,000 (2016) |
| Demonym |