| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Saf Saf | city | Wilaya de Mostaganem | Algeria | 36.0752778 | 0.4283333 | 751 | 25844 |
| Saint-Jules | city | Wilaya de Mostaganem | Algeria | 35.9286111 | 0.1052778 | 629 | 19117 |
| Sayada | city | Wilaya de Mostaganem | Algeria | 35.9536111 | 0.1319444 | 580 | 24883 |
| Sekhaimia | city | Wilaya de Mostaganem | Algeria | 36.0883333 | 0.3241667 | 1141 | 23730 |
| Sidi Ali | city | Wilaya de Mostaganem | Algeria | 36.1005556 | 0.42 | 1187 | 25830 |
| Sidi Bel Atar | city | Wilaya de Mostaganem | Algeria | 36.0261111 | 0.2694444 | 16 | 25858 |
| Sidi Bouzid | city | Wilaya de Mostaganem | Algeria | 35.9483333 | 0.4513889 | 1105 | 24956 |
| Sidi Cherif | city | Wilaya de Mostaganem | Algeria | 35.7222222 | 0.1877778 | 255 | 25814 |
| Sidi Fellag | city | Wilaya de Mostaganem | Algeria | 35.9327778 | 0.1411111 | 469 | 24883 |
| Sidi Lakhdar | city | Wilaya de Mostaganem | Algeria | 36.1644444 | 0.4425 | 456 | 25816 |
| Sidi Mohammed Medjoua | city | Wilaya de Mostaganem | Algeria | 35.9672222 | 0.0961111 | 528 | 13751 |
| Sidi Mohammed Medjoub | city | Wilaya de Mostaganem | Algeria | 35.9672222 | 0.0961111 | 528 | 13751 |
| Sirat | city | Wilaya de Mostaganem | Algeria | 35.78 | 0.1919444 | 157 | 25933 |
| Sour | city | Wilaya de Mostaganem | Algeria | 36.05556 | 0.3413889 | 219 | 25844 |
| Sour-Kelmitou | city | Wilaya de Mostaganem | Algeria | 36.05556 | 0.3413889 | 219 | 25844 |
| Sourk-el-Mitou | city | Wilaya de Mostaganem | Algeria | 36.05556 | 0.3413889 | 219 | 25844 |
| Station Oued el Kheir | city | Wilaya de Mostaganem | Algeria | 35.9502778 | 0.3808333 | 826 | 25883 |
| Station de Bel Hadri | city | Wilaya de Mostaganem | Algeria | 35.9636111 | 0.2588889 | 784 | 25872 |
| Stidia | city | Wilaya de Mostaganem | Algeria | 35.8347222 | -0.05556 | 0 | 4756 |
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