| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sian | city | Zanjan | Iran | 36.64 | 48.55 | 5367 | 80235 |
| Sian | city | Esfahan | Iran | 32.38 | 52.15 | 5029 | 9834 |
| Sian | city | Esfahan | Iran | 32.47 | 52.40 | 5029 | 9834 |
| Sian Khaneh | city | Khorasan-e Shomali | Iran | 37.22 | 57.26 | 5029 | 1899 |
| Sian `Olya | city | Markazi | Iran | 33.84 | 50.03 | 6249 | 4180 |
| Sian-e Bala | city | Markazi | Iran | 33.84 | 50.03 | 6249 | 4180 |
| Sian-e Pa'in | city | Markazi | Iran | 33.83 | 50.06 | 6174 | 4023 |
| Sian-e Sofla | city | Markazi | Iran | 33.83 | 50.06 | 6174 | 4023 |
| Sian-e `Olya | city | Markazi | Iran | 33.84 | 50.03 | 6249 | 4180 |
| Sianabad | city | Khorasan-e Razavi | Iran | 34.70 | 57.95 | 2693 | 1008 |
| Sianaj-e Bala | city | Khorasan-e Jonubi | Iran | 33.10 | 59.35 | 6709 | 596 |
| Sianak-e Pa'in | city | Esfahan | Iran | 33.29 | 52.70 | 5029 | 0 |
| Sianaqi | city | Chahar Mahal va Bakhtiari | Iran | 32.14 | 50.75 | 7775 | 13559 |
| Sianow | city | Kordestan | Iran | 35.04 | 47.02 | 5869 | 4471 |
| Sianzar | city | Kordestan | Iran | 35.95 | 46.20 | 5869 | 2086 |