| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siahkal | city | Gilan | Iran | 37.15 | 49.87 | 121 | 22178 |
| Siahkal Chal | city | Gilan | Iran | 36.96 | 50.23 | 1669 | 9238 |
| Siahkal Mahalleh | city | Gilan | Iran | 37.17 | 49.89 | 42 | 25467 |
| Siahkan | city | Sistan va Baluchestan | Iran | 26.66 | 59.42 | 2864 | 596 |
| Siahkuliān | city | Azarbayjan-e Sharqi | Iran | 38.61 | 46.74 | 6709 | 1956 |