| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| سيس | city | Kordestan | Iran | 35.20 | 47.28 | 6709 | 4070 |
| سيس آباد | city | Khorasan-e Razavi | Iran | 36.34 | 59.66 | 3349 | 129040 |
| سيسارَگ | city | Kordestan | Iran | 35.89 | 45.74 | 5082 | 5023 |
| سيسارگ | city | Kordestan | Iran | 35.89 | 45.74 | 5082 | 5023 |
| سيستان | city | Tehran | Iran | 35.99 | 51.58 | 7624 | 2086 |
| سيستانه | city | Hamadan | Iran | 34.66 | 48.32 | 6066 | 5364 |
| سيستانِه | city | Hamadan | Iran | 34.66 | 48.32 | 6066 | 5364 |
| سيستانک | city | Khorasan-e Jonubi | Iran | 32.90 | 59.26 | 5029 | 68840 |
| سيسر | city | Azarbayjan-e Gharbi | Iran | 36.25 | 45.62 | 4468 | 5004 |
| سيسرا پائين | city | Mazandaran | Iran | 36.72 | 51.23 | -1689 | 13046 |
| سيسه گرگ بالا | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.58 | 51.40 | 7841 | 1595 |
| سيسه گرگ پائين | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.58 | 51.40 | 7841 | 1595 |
| سيسَرا پائين | city | Mazandaran | Iran | 36.72 | 51.23 | -1689 | 13046 |
| سيسِر | city | Azarbayjan-e Gharbi | Iran | 36.25 | 45.62 | 4468 | 5004 |
| سيسِه گَرَگِ بالا | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.58 | 51.40 | 7841 | 1595 |
| سيسِه گَرَگِ پائين | city | Kohgiluyeh va Bowyer Ahmad | Iran | 30.58 | 51.40 | 7841 | 1595 |