| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siasak | city | Khorasan-e Razavi | Iran | 36.38 | 59.67 | 3349 | 128973 |
| Siasal' | city | Gilan | Iran | 37.30 | 49.55 | -1689 | 92741 |
| Siasal’ | city | Gilan | Iran | 37.30 | 49.55 | -1689 | 92741 |
| Siasar | city | Sistan va Baluchestan | Iran | 30.98 | 61.63 | 1669 | 16518 |
| Siasarast | city | Mazandaran | Iran | 36.80 | 50.63 | 1771 | 6209 |