| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Saint George | city | Western Area | Sierra Leone | 8.49 | -13.2341667 | 252 | 613923 |
| Salt Pan | city | Western Area | Sierra Leone | 8.2666667 | -12.9833333 | 16 | 6365 |
| Samahun | city | Western Area | Sierra Leone | 8.3136111 | -13.1091667 | 935 | 9139 |
| Samuel Town | city | Western Area | Sierra Leone | 8.3077778 | -13.0761111 | 3 | 9101 |
| Sanda | city | Western Area | Sierra Leone | 8.3938889 | -13.0108333 | 98 | 9434 |
| Sangbalima | city | Western Area | Sierra Leone | 8.5641667 | -13.0630556 | 72 | 4766 |
| Sattia Town | city | Western Area | Sierra Leone | 8.25 | -13.05 | 88 | 4449 |
| Sherbro Town | city | Western Area | Sierra Leone | 8.3241667 | -13.0122222 | 134 | 8854 |
| Songo | city | Western Area | Sierra Leone | 8.3666667 | -12.9333333 | 95 | 9147 |
| Songo Town | city | Western Area | Sierra Leone | 8.3666667 | -12.9333333 | 95 | 9147 |
| Stones Town | city | Western Area | Sierra Leone | 8.3005556 | -13.0791667 | 203 | 9101 |
| Sukuma Town | city | Western Area | Sierra Leone | 8.2897222 | -13.075 | 108 | 7571 |
| Sulpon | city | Western Area | Sierra Leone | 8.3744444 | -13.2372222 | 147 | 13852 |
| Sussex | city | Western Area | Sierra Leone | 8.3466667 | -13.23 | 0 | 13852 |
| Susu Town | city | Western Area | Sierra Leone | 8.3744444 | -13.0836111 | 78 | 9011 |
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