| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sidamon | city | Cataluna | Spain | 41.63 | 0.83 | 830 | 11347 |
| Sidamunt | city | Cataluna | Spain | 41.63 | 0.83 | 830 | 11347 |
| Sils | city | Cataluna | Spain | 41.81 | 2.75 | 229 | 8420 |
| Sitges | city | Cataluna | Spain | 41.24 | 1.81 | 0 | 26654 |
| Siurana | city | Cataluna | Spain | 41.26 | 0.93 | 2509 | 1136 |
| Siurana de Prades | city | Cataluna | Spain | 41.26 | 0.93 | 2509 | 1136 |