| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Su Daghelan | city | Semnan | Iran | 37.18 | 55.80 | 5029 | 298 |
| Sudaghlan | city | Semnan | Iran | 35.18 | 52.48 | 2739 | 16506 |
| Suldarreh-ye Pa'in | city | Semnan | Iran | 35.71 | 53.56 | 5869 | 1871 |
| Sulhabad | city | Semnan | Iran | 35.93 | 54.29 | 3582 | 298 |
| Surkheh | city | Semnan | Iran | 35.46 | 53.21 | 4189 | 10745 |