| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sīb Band | city | Alborz | Iran | 36.17 | 50.62 | 6709 | 2086 |
| Sījān | city | Alborz | Iran | 35.92 | 51.15 | 7001 | 20860 |
| Sīm Na‘āleh | city | Alborz | Iran | 36.02 | 51.10 | 8421 | 20860 |
| Sīrā | city | Alborz | Iran | 36.03 | 51.15 | 7618 | 20860 |
| Sīvāndarreh | city | Alborz | Iran | 36.02 | 50.94 | 7549 | 2086 |
| Sīāh Kolāhān | city | Alborz | Iran | 35.89 | 51.01 | 6709 | 236608 |