| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| كلس | city | Gilan | Iran | 36.87 | 49.23 | 5029 | 3772 |
| كلستان | city | Mazandaran | Iran | 36.64 | 53.31 | 278 | 30210 |
| كلستان | city | Ardabil | Iran | 37.74 | 48.57 | 7549 | 2757 |
| كلستان سفلى | city | Ardabil | Iran | 37.74 | 48.54 | 6118 | 2713 |
| كلستان عليا | city | Ardabil | Iran | 37.74 | 48.57 | 7549 | 2757 |
| كلسن | city | Azarbayjan-e Gharbi | Iran | 37.00 | 45.83 | 4189 | 11445 |
| كلسه | city | Esfahan | Iran | 32.72 | 49.89 | 7073 | 1490 |