| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sī Fesān | city | Gilan | Iran | 37.07 | 49.15 | 5029 | 8860 |
| Sī Fesān | city | Gilan | Iran | 37.06 | 49.15 | 4376 | 8605 |
| Sī Leh Sar | city | Gilan | Iran | 37.83 | 48.76 | 1669 | 2980 |
| Sī Nah Hūnī | city | Gilan | Iran | 37.83 | 48.72 | 1788 | 2980 |
| Sī Pol | city | Gilan | Iran | 36.86 | 50.22 | 2509 | 9238 |
| Sī Posht | city | Gilan | Iran | 36.87 | 50.27 | 8389 | 9238 |
| Sī Sar | city | Gilan | Iran | 36.92 | 49.72 | 3349 | 4896 |
| Sī Sarā | city | Gilan | Iran | 36.88 | 50.41 | 7588 | 8894 |
| Sī Sarā Kūl | city | Gilan | Iran | 36.97 | 50.04 | 5154 | 11350 |
| Sībestānak | city | Gilan | Iran | 36.79 | 49.81 | 5029 | 4619 |
| Sībleh | city | Gilan | Iran | 37.20 | 48.88 | 7641 | 5539 |
| Sībon | city | Gilan | Iran | 36.82 | 49.74 | 5049 | 4619 |
| Sībon-e Bālā | city | Gilan | Iran | 36.82 | 49.74 | 5049 | 4619 |
| Sībon-e Pā’īn | city | Gilan | Iran | 36.81 | 49.74 | 4212 | 4619 |
| Sībon-e Soflá | city | Gilan | Iran | 36.81 | 49.74 | 4212 | 4619 |
| Sībon-e ‘Olyā | city | Gilan | Iran | 36.82 | 49.74 | 5049 | 4619 |
| Sīgh Chāl | city | Gilan | Iran | 37.93 | 48.79 | 4189 | 2980 |
| Sīkh Bon | city | Gilan | Iran | 37.17 | 49.09 | 2509 | 10877 |
| Sīlahsar | city | Gilan | Iran | 37.83 | 48.76 | 1669 | 2980 |
| Sīleh Sar | city | Gilan | Iran | 37.83 | 48.76 | 1669 | 2980 |
| Sīm Bar-e Lākān | city | Gilan | Iran | 37.21 | 49.58 | 62 | 93900 |
| Sīmbar | city | Gilan | Iran | 37.30 | 49.87 | -1689 | 59921 |
| Sīmbar | city | Gilan | Iran | 37.39 | 49.71 | -1689 | 80343 |
| Sīmbar Khāleh-ye Bālā | city | Gilan | Iran | 37.64 | 49.07 | 3 | 1998 |
| Sīmbar Khāleh-ye Pā’īn | city | Gilan | Iran | 37.65 | 49.08 | -1689 | 1448 |
| Sīmbar-e Lākān | city | Gilan | Iran | 37.19 | 49.59 | 68 | 85700 |
| Sīmbareh Chāl | city | Gilan | Iran | 37.47 | 48.75 | 7119 | 2881 |
| Sīmbarī Khāleh | city | Gilan | Iran | 37.64 | 49.07 | 3 | 1998 |
| Sīmteh | city | Gilan | Iran | 37.86 | 48.92 | 13 | 9700 |
| Sīndadī | city | Gilan | Iran | 37.52 | 48.76 | 3599 | 2936 |
| Sīneh Keh | city | Gilan | Iran | 37.53 | 48.94 | 1843 | 2980 |
| Sīneh Rūd Darreh | city | Gilan | Iran | 36.86 | 49.73 | 5029 | 4619 |
| Sīnehrū | city | Gilan | Iran | 36.86 | 49.73 | 5029 | 4619 |
| Sīr Dasht | city | Gilan | Iran | 36.85 | 49.68 | 3484 | 4619 |
| Sīr Setūn | city | Gilan | Iran | 37.62 | 48.76 | 4294 | 2980 |
| Sīrālīveh | city | Gilan | Iran | 38.32 | 48.84 | -1689 | 19892 |
| Sīr‘ālīvar | city | Gilan | Iran | 38.32 | 48.84 | -1689 | 19892 |
| Sīsangān | city | Gilan | Iran | 37.19 | 49.04 | 5347 | 10877 |
| Sīstān | city | Gilan | Iran | 36.96 | 49.76 | 2509 | 7691 |
| Sīstān | city | Gilan | Iran | 36.96 | 49.85 | 2509 | 11771 |
| Sīteh | city | Gilan | Iran | 37.55 | 48.82 | 3625 | 2980 |
| Sīvīr | city | Gilan | Iran | 37.05 | 50.28 | 380 | 21981 |
| Sīyāh Mazgī | city | Gilan | Iran | 37.03 | 49.28 | 1669 | 8348 |
| Sīā Bokūn | city | Gilan | Iran | 37.15 | 49.07 | 2522 | 10864 |
| Sīābkūn | city | Gilan | Iran | 37.15 | 48.96 | 6896 | 6146 |
| Sīābīl | city | Gilan | Iran | 37.49 | 49.16 | 42 | 4557 |
| Sīādūn | city | Gilan | Iran | 37.78 | 48.90 | 223 | 17418 |
| Sīāgal Chāl | city | Gilan | Iran | 36.96 | 50.23 | 1669 | 9238 |
| Sīāh Asţalakh | city | Gilan | Iran | 37.26 | 49.27 | 108 | 47687 |
| Sīāh Asţalaskh-e S̄aqad ol Molk | city | Gilan | Iran | 37.42 | 49.75 | -1689 | 47076 |
| Sīāh Barg | city | Gilan | Iran | 36.82 | 50.14 | 5869 | 8868 |
| Sīāh Belāsh | city | Gilan | Iran | 37.54 | 49.14 | 59 | 3099 |
| Sīāh Bījār | city | Gilan | Iran | 37.05 | 49.89 | 1853 | 11771 |
| Sīāh Bīl | city | Gilan | Iran | 37.56 | 49.17 | -1689 | 2857 |
| Sīāh Bīl | city | Gilan | Iran | 37.43 | 48.96 | 3349 | 2980 |
| Sīāh Bīl Maḩalleh | city | Gilan | Iran | 37.49 | 49.15 | 101 | 4248 |
| Sīāh Būzān | city | Gilan | Iran | 37.54 | 49.22 | -1689 | 5345 |
| Sīāh Chāl | city | Gilan | Iran | 37.75 | 48.99 | -1689 | 15539 |
| Sīāh Daleh | city | Gilan | Iran | 37.43 | 49.13 | 154 | 12391 |
| Sīāh Dar | city | Gilan | Iran | 36.85 | 49.73 | 4484 | 4619 |
| Sīāh Darvīshān | city | Gilan | Iran | 37.38 | 49.42 | -1689 | 13139 |
| Sīāh Dasht | city | Gilan | Iran | 37.76 | 48.77 | 3349 | 2980 |
| Sīāh Dasht | city | Gilan | Iran | 36.71 | 50.25 | 7549 | 6344 |
| Sīāh Dasht | city | Gilan | Iran | 36.74 | 50.03 | 6840 | 5182 |
| Sīāh Dasht Bon | city | Gilan | Iran | 36.85 | 49.75 | 6709 | 4619 |
| Sīāh Dūl | city | Gilan | Iran | 37.33 | 49.08 | 1007 | 9154 |
| Sīāh Estakhr | city | Gilan | Iran | 37.26 | 49.27 | 108 | 47687 |
| Sīāh Estakhr | city | Gilan | Iran | 36.82 | 50.11 | 4189 | 8084 |
| Sīāh Esţalakh | city | Gilan | Iran | 37.42 | 49.75 | -1689 | 47076 |
| Sīāh Esţalakh-e Pā’īn | city | Gilan | Iran | 37.28 | 49.27 | 62 | 65812 |
| Sīāh Esţalakh-e Saqaţ ol Molk | city | Gilan | Iran | 37.42 | 49.75 | -1689 | 47076 |
| Sīāh Esţalkh | city | Gilan | Iran | 37.30 | 49.55 | -1689 | 92741 |
| Sīāh Esţalkh Mīrzā Rabī‘ | city | Gilan | Iran | 37.41 | 49.76 | -1689 | 49064 |
| Sīāh Galvandān | city | Gilan | Iran | 37.19 | 49.50 | 85 | 26789 |
| Sīāh Galvandān-e Pā’īn | city | Gilan | Iran | 37.20 | 49.50 | 65 | 37313 |
| Sīāh Galūbandān-e Pā’īn | city | Gilan | Iran | 37.20 | 49.50 | 65 | 37313 |
| Sīāh Golvandān-e Bālā | city | Gilan | Iran | 37.20 | 49.50 | 65 | 37313 |
| Sīāh Golvandān-e Pā’īn | city | Gilan | Iran | 37.20 | 49.50 | 65 | 37313 |
| Sīāh Gārbon | city | Gilan | Iran | 36.84 | 49.85 | 5869 | 6219 |
| Sīāh Gūrāb-e Pā’īn | city | Gilan | Iran | 37.22 | 50.04 | -1689 | 33069 |
| Sīāh Ja‘far | city | Gilan | Iran | 37.97 | 48.87 | 367 | 2980 |
| Sīāh Kal | city | Gilan | Iran | 37.90 | 48.89 | 183 | 2718 |
| Sīāh Kat | city | Gilan | Iran | 37.93 | 48.79 | 4189 | 2980 |
| Sīāh Kat Maḩalleh | city | Gilan | Iran | 37.93 | 48.90 | 26 | 2482 |
| Sīāh Kesh | city | Gilan | Iran | 37.17 | 49.11 | 1095 | 10877 |
| Sīāh Kesh | city | Gilan | Iran | 37.16 | 49.28 | 849 | 16580 |
| Sīāh Keshān | city | Gilan | Iran | 36.91 | 50.24 | 1669 | 9238 |
| Sīāh Khvānī | city | Gilan | Iran | 37.37 | 48.94 | 2788 | 4671 |
| Sīāh Khāleh | city | Gilan | Iran | 37.51 | 49.23 | -1689 | 7674 |
| Sīāh Khūlak | city | Gilan | Iran | 36.87 | 50.10 | 5029 | 7767 |
| Sīāh Khūnī | city | Gilan | Iran | 36.91 | 49.89 | 5869 | 11557 |
| Sīāh Khūnī | city | Gilan | Iran | 37.71 | 48.69 | 5029 | 2980 |
| Sīāh Koleh | city | Gilan | Iran | 37.02 | 50.40 | 98 | 21627 |
| Sīāh Kosh | city | Gilan | Iran | 37.17 | 49.11 | 1095 | 10877 |
| Sīāh Kārbun | city | Gilan | Iran | 36.84 | 49.85 | 5869 | 6219 |
| Sīāh Kīsh | city | Gilan | Iran | 37.00 | 49.61 | 830 | 4619 |
| Sīāh Kūh | city | Gilan | Iran | 37.29 | 49.18 | 150 | 34929 |
| Sīāh Kūh | city | Gilan | Iran | 37.20 | 49.16 | 1108 | 10877 |
| Sīāh Laman | city | Gilan | Iran | 36.90 | 50.18 | 4448 | 9238 |
| Sīāh Larz | city | Gilan | Iran | 37.52 | 48.82 | 3349 | 2980 |
| Sīāh Makān | city | Gilan | Iran | 37.59 | 49.06 | 164 | 2980 |
| Sīāh Mard | city | Gilan | Iran | 37.40 | 49.11 | 216 | 16127 |
| Sīāh Mard | city | Gilan | Iran | 37.41 | 49.12 | 223 | 17751 |
| Sīāh Marsī | city | Gilan | Iran | 36.94 | 49.92 | 5869 | 11771 |
| Sīāh Marz-e Gavābar | city | Gilan | Iran | 37.07 | 50.19 | 849 | 20566 |
| Sīāh Marzgū | city | Gilan | Iran | 37.07 | 50.18 | 830 | 21355 |
| Sīāh Mazgī | city | Gilan | Iran | 37.05 | 49.29 | 2509 | 8493 |
| Sīāh Maḩalleh | city | Gilan | Iran | 37.58 | 49.04 | 288 | 2980 |
| Sīāh Poshteh | city | Gilan | Iran | 36.73 | 49.63 | 7604 | 4619 |
| Sīāh Pīrān-e Kasmā’ī | city | Gilan | Iran | 37.30 | 49.43 | -1689 | 48493 |
| Sīāh Pīrān-e Kāshānī | city | Gilan | Iran | 37.27 | 49.32 | 6 | 64606 |
| Sīāh Rūd | city | Gilan | Iran | 37.60 | 49.15 | -1689 | 1567 |
| Sīāh Rūd | city | Gilan | Iran | 37.74 | 48.65 | 6791 | 2959 |
| Sīāh Rūd | city | Gilan | Iran | 37.02 | 50.07 | 1669 | 10516 |
| Sīāh Rūd Kenār | city | Gilan | Iran | 37.35 | 49.56 | -1689 | 67471 |
| Sīāh Tan | city | Gilan | Iran | 37.30 | 49.39 | -1689 | 84779 |
| Sīāh Varūd | city | Gilan | Iran | 37.26 | 49.16 | 334 | 16102 |
| Sīāh Ve Rūd | city | Gilan | Iran | 37.26 | 49.16 | 334 | 16102 |
| Sīāh Āb | city | Gilan | Iran | 36.70 | 49.97 | 7549 | 4619 |
| Sīāh Şūfīān | city | Gilan | Iran | 37.32 | 49.71 | -1689 | 95167 |
| Sīāh ‘Alam Maḩalleh | city | Gilan | Iran | 37.69 | 49.01 | 3 | 9618 |
| Sīāhbīl | city | Gilan | Iran | 37.50 | 48.96 | 1669 | 2980 |
| Sīāhbīl | city | Gilan | Iran | 37.49 | 49.15 | 101 | 4248 |
| Sīāhkal Maḩalleh | city | Gilan | Iran | 37.90 | 48.89 | 183 | 2718 |
| Sīāhkal Maḩalleh | city | Gilan | Iran | 37.15 | 49.87 | 121 | 22178 |
| Sīāhkalrūd | city | Gilan | Iran | 37.02 | 50.44 | 830 | 17836 |
| Sīāhkat | city | Gilan | Iran | 37.90 | 48.89 | 183 | 2718 |
| Sīāhkhānī | city | Gilan | Iran | 36.91 | 49.89 | 5869 | 11557 |
| Sīāhālsar | city | Gilan | Iran | 37.51 | 49.23 | -1689 | 7674 |
| Sīākesh | city | Gilan | Iran | 37.01 | 50.43 | 830 | 17871 |
| Sīānī | city | Gilan | Iran | 36.98 | 49.72 | 846 | 5755 |
| Sīārastāq | city | Gilan | Iran | 36.74 | 50.31 | 5869 | 9133 |
| Sīāvazān | city | Gilan | Iran | 37.54 | 49.22 | -1689 | 5345 |
| Sīāvnūr | city | Gilan | Iran | 37.38 | 49.02 | 1850 | 3462 |
| Sīāvosh Kūh | city | Gilan | Iran | 36.77 | 50.32 | 6709 | 9238 |
| Sīāvān Maḩalleh | city | Gilan | Iran | 37.12 | 50.32 | -1689 | 21581 |