| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sefid Ab | city | Mazandaran | Iran | 36.67 | 51.02 | 1256 | 13591 |
| Sefid Ab | city | Mazandaran | Iran | 36.24 | 51.42 | 9228 | 2831 |
| Sefid Kala | city | Mazandaran | Iran | 36.10 | 52.75 | 9228 | 6338 |
| Sefid Kola | city | Mazandaran | Iran | 36.10 | 52.75 | 9228 | 6338 |
| Sefid Kuh | city | Mazandaran | Iran | 36.41 | 53.67 | 4471 | 6510 |
| Sefid Tameshk | city | Mazandaran | Iran | 36.96 | 50.59 | 882 | 16076 |
| Sefid Tur-e Bala | city | Mazandaran | Iran | 36.37 | 52.60 | 196 | 21141 |
| Sefid Tur-e Gharbi | city | Mazandaran | Iran | 36.36 | 52.59 | 246 | 18330 |
| Sefid Tur-e Pa'in | city | Mazandaran | Iran | 36.37 | 52.60 | 196 | 21141 |
| Sefid Tur-e Sharqi | city | Mazandaran | Iran | 36.36 | 52.60 | 288 | 19852 |
| Sefidarbon | city | Mazandaran | Iran | 36.48 | 52.42 | 187 | 33073 |
| Sefiddar Goleh | city | Mazandaran | Iran | 35.99 | 53.04 | 2913 | 2533 |
| Sefidkhani | city | Mazandaran | Iran | 36.52 | 51.00 | 7549 | 4769 |
| Sefīd Chāh | city | Mazandaran | Iran | 36.60 | 53.89 | 3412 | 2682 |
| Sefīd Dāneh | city | Mazandaran | Iran | 36.80 | 50.47 | 6709 | 6647 |
| Sefīd Jāh | city | Mazandaran | Iran | 36.60 | 53.89 | 3412 | 2682 |
| Sefīd Āb | city | Mazandaran | Iran | 36.02 | 51.78 | 10068 | 3307 |
| Sefīd Ţūr-e Pā’īn | city | Mazandaran | Iran | 36.37 | 52.60 | 196 | 21141 |
| Sefīdeh | city | Mazandaran | Iran | 36.67 | 51.37 | 3 | 20964 |
| Sefīdār Goleh | city | Mazandaran | Iran | 35.99 | 53.04 | 2913 | 2533 |
| Seh Gah | city | Mazandaran | Iran | 36.67 | 50.89 | 1669 | 6851 |
| Seh Keyleh | city | Mazandaran | Iran | 36.58 | 53.42 | 1023 | 2682 |
| Seh Kheileh | city | Mazandaran | Iran | 36.58 | 53.42 | 1023 | 2682 |
| Seh Kileh | city | Mazandaran | Iran | 36.58 | 53.42 | 1023 | 2682 |
| Seh Kīlah | city | Mazandaran | Iran | 36.58 | 53.42 | 1023 | 2682 |
| Seh Sang | city | Mazandaran | Iran | 35.91 | 52.31 | 6112 | 11311 |
| Seh Sang | city | Mazandaran | Iran | 36.05 | 51.99 | 12588 | 8340 |
| Seh Shanbeh Bazar | city | Mazandaran | Iran | 36.53 | 52.90 | 39 | 115758 |
| Selehdar Kola | city | Mazandaran | Iran | 36.40 | 52.57 | 127 | 20689 |
| Selur | city | Mazandaran | Iran | 36.10 | 52.13 | 5869 | 4580 |
| Selīā Katī | city | Mazandaran | Iran | 36.52 | 52.04 | 78 | 9099 |
| Semes Kandeh | city | Mazandaran | Iran | 36.60 | 53.17 | 39 | 30695 |
| Semes Kandeh-ye Bala | city | Mazandaran | Iran | 36.57 | 53.15 | 98 | 30260 |
| Semes Kandeh-ye Pa'in | city | Mazandaran | Iran | 36.60 | 53.17 | 39 | 30695 |
| Semes Kandeh-ye Pā’īn | city | Mazandaran | Iran | 36.60 | 53.17 | 39 | 30695 |
| Semeskandeh | city | Mazandaran | Iran | 36.57 | 53.15 | 98 | 30260 |
| Senur | city | Mazandaran | Iran | 36.47 | 53.40 | 1669 | 6080 |
| Senām | city | Mazandaran | Iran | 36.19 | 53.49 | 3349 | 8180 |
| Sepideh | city | Mazandaran | Iran | 36.67 | 51.37 | 3 | 20964 |
| Sepāh-e Dānesh | city | Mazandaran | Iran | 36.52 | 52.58 | 3 | 50007 |
| Seraj Kola-ye Pa'in | city | Mazandaran | Iran | 36.48 | 52.81 | 98 | 78822 |
| Seraj Mahalleh | city | Mazandaran | Iran | 36.63 | 52.93 | -1689 | 100483 |
| Serejī Kolā | city | Mazandaran | Iran | 36.22 | 52.64 | 1669 | 18029 |
| Sern | city | Mazandaran | Iran | 36.44 | 50.87 | 6266 | 5171 |
| Serāj Kolā | city | Mazandaran | Iran | 36.48 | 52.81 | 98 | 78822 |
| Serāj Kolā | city | Mazandaran | Iran | 36.63 | 52.92 | -1689 | 104016 |
| Serāj Kolā-ye Pā’īn | city | Mazandaran | Iran | 36.48 | 52.81 | 98 | 78822 |
| Serāj Maḩalleh | city | Mazandaran | Iran | 36.71 | 53.75 | 291 | 21103 |
| Serāj Maḩalleh-ye Bāghū | city | Mazandaran | Iran | 36.62 | 52.92 | -1689 | 101957 |
| Serīn | city | Mazandaran | Iran | 36.08 | 52.84 | 5869 | 2533 |
| Sesleh | city | Mazandaran | Iran | 36.27 | 53.08 | 2532 | 2533 |
| Setūn Kolā | city | Mazandaran | Iran | 36.43 | 53.07 | 958 | 11544 |
| Seyah Darka | city | Mazandaran | Iran | 36.36 | 52.75 | 980 | 16431 |
| Seyf Koti | city | Mazandaran | Iran | 36.44 | 52.99 | 830 | 26002 |
| Seyf Mahalleh | city | Mazandaran | Iran | 36.79 | 50.83 | 183 | 28593 |
| Seyyed Abu Saleh | city | Mazandaran | Iran | 36.44 | 53.01 | 830 | 15030 |
| Seyyed Golrāz | city | Mazandaran | Iran | 36.75 | 50.61 | 3720 | 5911 |
| Seyyed Jalāl Ashraf | city | Mazandaran | Iran | 36.81 | 50.90 | -1689 | 19739 |
| Seyyed Jamshid | city | Mazandaran | Iran | 36.65 | 52.88 | -1689 | 63263 |
| Seyyed Kala | city | Mazandaran | Iran | 36.50 | 52.09 | 269 | 3017 |
| Seyyed Kala | city | Mazandaran | Iran | 36.31 | 52.79 | 830 | 4941 |
| Seyyed Kalām Sar | city | Mazandaran | Iran | 36.45 | 51.31 | 2657 | 4768 |
| Seyyed Kheyl | city | Mazandaran | Iran | 36.42 | 53.72 | 4189 | 5410 |
| Seyyed Khil | city | Mazandaran | Iran | 36.42 | 53.72 | 4189 | 5410 |
| Seyyed Khāneh Sar | city | Mazandaran | Iran | 36.37 | 51.26 | 4189 | 4768 |
| Seyyed Kola | city | Mazandaran | Iran | 36.58 | 52.92 | 3 | 87714 |
| Seyyed Kola-ye Bala | city | Mazandaran | Iran | 36.62 | 52.65 | -1689 | 70776 |
| Seyyed Kola-ye Pa'in | city | Mazandaran | Iran | 36.62 | 52.65 | -1689 | 70776 |
| Seyyed Kolamsar | city | Mazandaran | Iran | 36.45 | 51.31 | 2657 | 4768 |
| Seyyed Kolā | city | Mazandaran | Iran | 36.45 | 52.68 | 68 | 49812 |
| Seyyed Kolā | city | Mazandaran | Iran | 36.42 | 52.63 | 108 | 40998 |
| Seyyed Kolā | city | Mazandaran | Iran | 36.31 | 52.79 | 830 | 4941 |
| Seyyed Kolā-ye Pā’īn | city | Mazandaran | Iran | 36.62 | 52.65 | -1689 | 70776 |
| Seyyed Mahalleh | city | Mazandaran | Iran | 36.70 | 51.10 | 13 | 21308 |
| Seyyed Mahalleh | city | Mazandaran | Iran | 36.71 | 53.01 | -1689 | 7897 |
| Seyyed Maḩalleh | city | Mazandaran | Iran | 36.61 | 52.62 | -1689 | 65969 |
| Seyyed Maḩalleh | city | Mazandaran | Iran | 36.59 | 52.82 | -1689 | 42980 |
| Seyyed Maḩalleh | city | Mazandaran | Iran | 36.37 | 52.58 | 272 | 18323 |
| Seyyed Nezam ed Din | city | Mazandaran | Iran | 36.32 | 52.62 | 830 | 17963 |
| Seyyed Nezam od Din | city | Mazandaran | Iran | 36.32 | 52.62 | 830 | 17963 |
| Seyyed Nez̧ām ed Dīn | city | Mazandaran | Iran | 36.32 | 52.62 | 830 | 17963 |
| Seyyed Nez̧ām od Dīn | city | Mazandaran | Iran | 36.32 | 52.62 | 830 | 17963 |
| Seyyed Zeyn ol `Abedin | city | Mazandaran | Iran | 36.67 | 52.89 | -1689 | 68563 |
| Seyyed Zeyn ol ‘Ābedīn | city | Mazandaran | Iran | 36.67 | 52.89 | -1689 | 68563 |
| Seyyed `Ali-ye Kiasoltan | city | Mazandaran | Iran | 36.62 | 51.57 | -1689 | 17068 |
| Seyyed ‘Alī-ye Kīāsolţān | city | Mazandaran | Iran | 36.62 | 51.57 | -1689 | 17068 |
| Seyyedabad | city | Mazandaran | Iran | 36.22 | 52.92 | 1171 | 2533 |
| Seyyedabad | city | Mazandaran | Iran | 36.63 | 53.09 | 22 | 31373 |
| Seyāh Kalā | city | Mazandaran | Iran | 36.54 | 52.11 | 29 | 9228 |
| Seyāvash Kolā | city | Mazandaran | Iran | 36.68 | 53.29 | 75 | 27211 |
| Seḩrī | city | Mazandaran | Iran | 36.40 | 52.29 | 830 | 14917 |