| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sagam | city | Departement de Diffa | Niger | 13.65 | 12.5333333 | 1000 | 2209 |
| Samaldi | city | Departement de Diffa | Niger | 14 | 11.0333333 | 1177 | 455 |
| Sayam | city | Departement de Diffa | Niger | 13.65 | 12.5333333 | 1000 | 2209 |
| Sedige | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sedige | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Sedigue | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sedigue | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Sedouaram | city | Departement de Diffa | Niger | 15.75 | 13.15 | 1210 | 28 |
| Seram | city | Departement de Diffa | Niger | 14.0333333 | 11.1166667 | 1171 | 574 |
| Sheri | city | Departement de Diffa | Niger | 13.4255556 | 11.385 | 1138 | 859 |
| Soum Soum | city | Departement de Diffa | Niger | 14.45 | 13.2166667 | 990 | 33 |
| Sédigué | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sédigué | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Sédigé | city | Departement de Diffa | Niger | 14.4333333 | 13.2 | 997 | 33 |
| Sédigé | city | Departement de Diffa | Niger | 14.45 | 13.2 | 944 | 33 |
| Séram | city | Departement de Diffa | Niger | 14.0333333 | 11.1166667 | 1171 | 574 |
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