| Agro-ecological zone | Region | Surface area (km2) | Number of inhabitants | Climate | Average rainfall (mm) | Average altitude (m) | Cartesian coordinates |
| Guinean high savannah | Adamawa | 6761 | 441,716 | Sudanian tropical | 950 | 950 | 7˚05'06.00"N 13˚12'10.80"E |
| East | 109,002 | 835,642 | subtropical | 1477 | 650 | 3˚31'0"N 15˚3'0"E | |
| Western highlands | North west | 17,812 | 1,840,500 | savanna | 916,6 | 1550 | 6˚26'02.40"N 10˚24'00.00"E |