| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| سين آباد | city | Azarbayjan-e Gharbi | Iran | 37.82 | 44.60 | 5994 | 6081 |
| سين آباد | city | Kerman | Iran | 29.23 | 57.32 | 9228 | 1341 |
| سين آباد | city | Lorestan | Iran | 33.71 | 48.82 | 5029 | 9421 |
| سين آباد | city | Yazd | Iran | 31.80 | 53.85 | 8517 | 3192 |
| سينا | city | Tehran | Iran | 35.66 | 51.27 | 3694 | 117433 |
| سيناءو | city | Kordestan | Iran | 35.45 | 46.08 | 4550 | 4026 |
| سيناب | city | Khorasan-e Razavi | Iran | 35.45 | 57.39 | 4189 | 2692 |
| سينج | city | Lorestan | Iran | 33.39 | 49.64 | 6709 | 29615 |
| سينجتوک | city | Khorasan-e Razavi | Iran | 34.26 | 58.33 | 6709 | 596 |
| سينجگان | city | Qom | Iran | 34.51 | 50.32 | 5869 | 1261 |
| سينقان | city | Markazi | Iran | 33.96 | 50.93 | 7549 | 3124 |
| سينه خوار | city | Kerman | Iran | 30.60 | 54.84 | 8389 | 447 |
| سينه رز | city | Kerman | Iran | 29.14 | 56.28 | 6847 | 1341 |
| سينه زا | city | Mazandaran | Iran | 36.07 | 51.65 | 12001 | 2483 |
| سينه قان | city | Markazi | Iran | 33.96 | 50.93 | 7549 | 3124 |
| سينه كوئيه | city | Kerman | Iran | 31.34 | 56.49 | 6975 | 447 |
| سينه نمک | city | Kohgiluyeh va Bowyer Ahmad | Iran | 31.20 | 51.24 | 5029 | 4339 |
| سينه گوم | city | Chahar Mahal va Bakhtiari | Iran | 31.88 | 51.09 | 7549 | 4606 |
| سينوا | city | Mazandaran | Iran | 36.63 | 51.39 | 367 | 22495 |
| سينوا چشمه | city | Mazandaran | Iran | 36.62 | 51.39 | 830 | 18864 |
| سيني | city | Khorasan-e Jonubi | Iran | 33.20 | 57.48 | 5370 | 149 |
| سينيدر | city | Khorasan-e Jonubi | Iran | 33.73 | 59.55 | 4206 | 1043 |
| سينيَ | city | Khorasan-e Jonubi | Iran | 33.20 | 57.48 | 5370 | 149 |
| سينَوا چِشمِه | city | Mazandaran | Iran | 36.62 | 51.39 | 830 | 18864 |
| سينِقان | city | Markazi | Iran | 33.96 | 50.93 | 7549 | 3124 |
| سينِه زا | city | Mazandaran | Iran | 36.07 | 51.65 | 12001 | 2483 |
| سينِه گوم | city | Chahar Mahal va Bakhtiari | Iran | 31.88 | 51.09 | 7549 | 4606 |
| سينِۀ تِجگی | city | Hormozgan | Iran | 27.58 | 56.93 | 1210 | 2473 |
| سينچه | city | Esfahan | Iran | 32.47 | 52.45 | 5029 | 9834 |
| سينچِه | city | Esfahan | Iran | 32.47 | 52.45 | 5029 | 9834 |
| سينک | city | Qom | Iran | 34.87 | 50.61 | 3349 | 944 |
| سينک | city | Tehran | Iran | 35.85 | 51.69 | 6213 | 1886 |
| سينک چال | city | Semnan | Iran | 35.49 | 52.79 | 9425 | 2086 |
| سينگ | city | Semnan | Iran | 35.22 | 54.58 | 2847 | 298 |
| سينۀ تجگی | city | Hormozgan | Iran | 27.58 | 56.93 | 1210 | 2473 |
| سينی | city | Chahar Mahal va Bakhtiari | Iran | 31.56 | 51.05 | 6161 | 3874 |