| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sil'kasar | city | Gilan | Iran | 37.16 | 49.57 | 160 | 53638 |
| Sila | city | Hamadan | Iran | 35.46 | 49.12 | 6709 | 4715 |
| Sila Dasht | city | Gilan | Iran | 37.45 | 48.84 | 4281 | 2968 |
| Silab | city | Kohgiluyeh va Bowyer Ahmad | Iran | 31.38 | 50.58 | 4271 | 5091 |
| Silab | city | Azarbayjan-e Sharqi | Iran | 37.60 | 45.87 | 4458 | 19098 |
| Silabak | city | Khuzestan | Iran | 30.66 | 50.17 | 948 | 3267 |
| Silabkhvor-e Pa'in | city | Kerman | Iran | 30.86 | 56.90 | 7627 | 447 |
| Silah | city | Chahar Mahal va Bakhtiari | Iran | 31.43 | 51.15 | 6709 | 3874 |
| Silak | city | Chahar Mahal va Bakhtiari | Iran | 32.13 | 50.77 | 7122 | 13161 |
| Silakhor Sofla | city | Kerman | Iran | 30.86 | 56.90 | 7627 | 447 |
| Silakhor-e `Olya | city | Kerman | Iran | 30.86 | 56.90 | 7627 | 447 |
| Silan | city | Sistan va Baluchestan | Iran | 26.67 | 59.52 | 2601 | 596 |
| Silarestan | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.94 | 50.74 | 4333 | 4020 |
| Silarestan | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.94 | 50.72 | 4540 | 3919 |
| Silarestan-e Bala | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.94 | 50.74 | 4333 | 4020 |
| Silarestan-e Bala | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.98 | 50.82 | 5029 | 5256 |
| Silarestan-e Pa`in | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.98 | 50.83 | 5029 | 5291 |
| Silarestan-e `Olya | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.94 | 50.74 | 4333 | 4020 |
| Sileh Chay | city | Iran | 38.57 | 48.35 | 5869 | 5265 | |
| Silehsar | city | Azarbayjan-e Gharbi | Iran | 37.47 | 44.95 | 5288 | 16840 |
| Silehwarzi | city | Lorestan | Iran | 33.72 | 48.35 | 6709 | 2682 |
| Silgerd | city | Azarbayjan-e Sharqi | Iran | 38.87 | 45.57 | 2913 | 7897 |
| Siligird | city | Markazi | Iran | 35.13 | 50.27 | 5029 | 1381 |
| Silikan | city | Qazvin | Iran | 36.39 | 50.68 | 6181 | 2105 |
| Siljerd | city | Markazi | Iran | 35.13 | 50.27 | 5029 | 1381 |
| Silkan | city | Qazvin | Iran | 36.39 | 50.68 | 6181 | 2105 |
| Silkhāk | city | Esfahan | Iran | 34.28 | 51.08 | 5029 | 1762 |
| Silmish | city | Lorestan | Iran | 33.67 | 48.38 | 6236 | 2682 |
| Silsank | city | Sistan va Baluchestan | Iran | 25.88 | 59.38 | 347 | 745 |
| Silsian | city | Qom | Iran | 34.34 | 50.37 | 7549 | 1006 |
| Silu Ma`qul | city | Azarbayjan-e Gharbi | Iran | 39.38 | 44.05 | 7549 | 3006 |
| Silu'iyeh | city | Kerman | Iran | 30.24 | 55.44 | 7549 | 447 |
| Silvana | city | Azarbayjan-e Gharbi | Iran | 37.42 | 44.85 | 5232 | 6109 |
| Silvane | city | Azarbayjan-e Gharbi | Iran | 37.42 | 44.85 | 5232 | 6109 |
| Silvar | city | Hamadan | Iran | 34.75 | 48.51 | 6922 | 50761 |
| Silîvana | city | Azarbayjan-e Gharbi | Iran | 37.42 | 44.85 | 5232 | 6109 |
| Sil’kasar | city | Gilan | Iran | 37.16 | 49.57 | 160 | 53638 |