| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sir | city | Khorasan-e Jonubi | Iran | 32.78 | 59.77 | 7096 | 596 |
| Sir | city | Fars | Iran | 27.72 | 52.67 | 1669 | 2235 |
| Sir Ab | city | Qazvin | Iran | 35.69 | 49.40 | 5869 | 2086 |
| Sir Bagh | city | Mazandaran | Iran | 36.21 | 52.66 | 2509 | 18029 |
| Sir Hajj | city | Bushehr | Iran | 29.23 | 50.69 | 26 | 817 |
| Sir Kand | city | Markazi | Iran | 33.94 | 49.63 | 7549 | 2300 |
| Sir Kaneh | city | Kermanshah | Iran | 33.84 | 47.35 | 4284 | 3461 |
| Sir Karvar | city | Azarbayjan-e Gharbi | Iran | 36.08 | 45.50 | 4583 | 9380 |
| Sir Kuh | city | Kermanshah | Iran | 34.83 | 47.37 | 5869 | 4862 |
| Sir Mandeh | city | Chahar Mahal va Bakhtiari | Iran | 31.55 | 50.62 | 4327 | 3874 |
| Sir Meshk | city | Kerman | Iran | 29.39 | 57.13 | 9347 | 1341 |
| Sir Separanlu-ye Bala | city | Khorasan-e Shomali | Iran | 37.70 | 58.01 | 5869 | 2386 |
| Sir Separanlu-ye Pa'in | city | Khorasan-e Shomali | Iran | 37.69 | 58.02 | 5393 | 2421 |
| Sir Siranlu-ye Pa'in | city | Khorasan-e Shomali | Iran | 37.69 | 58.02 | 5393 | 2421 |
| Sir Zar | city | Khorasan-e Razavi | Iran | 36.43 | 60.23 | 3379 | 3725 |
| Sir-e Pa'in | city | Azarbayjan-e Sharqi | Iran | 37.58 | 46.74 | 5869 | 2217 |
| Sir-e `Olya | city | Azarbayjan-e Sharqi | Iran | 37.61 | 46.70 | 6095 | 2178 |
| Sir-e `Olya | city | Kordestan | Iran | 36.16 | 46.96 | 6817 | 2682 |
| Sir-i-Mishk | city | Kerman | Iran | 29.39 | 57.13 | 9347 | 1341 |
| Sir`alivar | city | Gilan | Iran | 38.32 | 48.84 | -1689 | 19892 |
| Sira | city | Kerman | Iran | 30.38 | 55.51 | 6814 | 2673 |
| Sirab | city | Kerman | Iran | 30.38 | 55.51 | 6814 | 2673 |
| Sirabad | city | Sistan va Baluchestan | Iran | 26.69 | 60.23 | 3349 | 596 |
| Sirabad | city | Azarbayjan-e Gharbi | Iran | 38.90 | 45.01 | 3681 | 4023 |
| Sirah | city | Alborz | Iran | 36.03 | 51.15 | 7618 | 20860 |
| Sirah | city | Khuzestan | Iran | 31.07 | 48.37 | 26 | 9685 |
| Sirak | city | Sistan va Baluchestan | Iran | 26.34 | 59.45 | 1669 | 596 |
| Sirak Goli | city | Fars | Iran | 30.13 | 51.87 | 6709 | 373 |
| Siraki | city | Hormozgan | Iran | 26.13 | 58.92 | 1200 | 775 |
| Siral | city | Gilan | Iran | 37.11 | 48.93 | 6745 | 2230 |
| Sirali | city | Gilan | Iran | 37.11 | 48.93 | 6745 | 2230 |
| Siralyag | city | Gilan | Iran | 37.11 | 48.93 | 6745 | 2230 |
| Siram | city | Qazvin | Iran | 36.07 | 49.86 | 4189 | 27099 |
| Siramch | city | Hormozgan | Iran | 25.68 | 58.28 | 3 | 745 |
| Siran | city | Azarbayjan-e Sharqi | Iran | 38.96 | 47.09 | 5029 | 3896 |
| Siran | city | Markazi | Iran | 33.89 | 49.47 | 6295 | 14109 |
| Sirasjun | city | Fars | Iran | 29.28 | 52.01 | 2742 | 5215 |
| Sirati-ye Sofla | city | Fars | Iran | 30.49 | 51.34 | 3717 | 298 |
| Sirati-ye `Olya | city | Fars | Iran | 30.49 | 51.34 | 3717 | 298 |
| Siravan | city | Hamadan | Iran | 34.80 | 48.00 | 6118 | 4514 |
| Siravla | city | Kermanshah | Iran | 34.08 | 45.85 | 3349 | 3728 |
| Sircan | city | Kerman | Iran | 29.44 | 55.68 | 5869 | 27104 |
| Sirch | city | Kerman | Iran | 30.20 | 57.54 | 5869 | 447 |
| Sirchah | city | Sistan va Baluchestan | Iran | 26.97 | 60.15 | 2509 | 596 |
| Sirchaqa | city | Esfahan | Iran | 33.25 | 50.38 | 7749 | 5057 |
| Sirdab | city | Zanjan | Iran | 36.78 | 48.95 | 4520 | 2086 |
| Sirdan | city | Qazvin | Iran | 36.65 | 49.19 | 3605 | 2086 |
| Sirdar | city | Hamadan | Iran | 34.10 | 49.04 | 7549 | 4563 |
| Sirdar | city | Lorestan | Iran | 33.57 | 49.47 | 6709 | 3129 |
| Sirdar | city | Lorestan | Iran | 33.72 | 47.56 | 5029 | 3129 |
| Sirdar Sadr | city | Hamadan | Iran | 34.09 | 48.91 | 6709 | 6048 |
| Sirdar-e Bala | city | Lorestan | Iran | 33.72 | 47.56 | 5029 | 3129 |
| Sirdar-e Pa'in | city | Lorestan | Iran | 33.72 | 47.55 | 5029 | 3129 |
| Sirdarreh | city | Hamadan | Iran | 34.68 | 47.87 | 5295 | 4615 |
| Sirdschan | city | Kerman | Iran | 29.44 | 55.68 | 5869 | 27104 |
| Sirduleh | city | Kermanshah | Iran | 34.84 | 47.30 | 5925 | 5317 |
| Sirdžan | city | Kerman | Iran | 29.44 | 55.68 | 5869 | 27104 |
| Sireh-ye Bala | city | Lorestan | Iran | 33.41 | 49.16 | 6751 | 5186 |
| Sireh-ye Pa'in | city | Lorestan | Iran | 33.42 | 49.16 | 5869 | 8785 |
| Sireh-ye Sofla | city | Lorestan | Iran | 33.42 | 49.16 | 5869 | 8785 |
| Sireh-ye `Olya | city | Lorestan | Iran | 33.41 | 49.16 | 6751 | 5186 |
| Sirehduleh | city | Kermanshah | Iran | 34.37 | 47.60 | 5869 | 2239 |
| Sirelan | city | Kordestan | Iran | 35.75 | 47.64 | 5990 | 1465 |
| Sireyan | city | Esfahan | Iran | 32.55 | 52.18 | 5029 | 9834 |
| Sirfagef | city | Azarbayjan-e Sharqi | Iran | 38.37 | 46.67 | 6010 | 1920 |
| Sirgah | city | Mazandaran | Iran | 36.48 | 51.25 | 3736 | 4768 |
| Sirgai | city | Azarbayjan-e Sharqi | Iran | 38.55 | 46.36 | 6220 | 1937 |
| Sirgan | city | Sistan va Baluchestan | Iran | 25.45 | 60.32 | 39 | 742 |
| Sirgaran | city | Kordestan | Iran | 35.44 | 47.01 | 5242 | 16257 |
| Sirghan | city | Khorasan-e Razavi | Iran | 36.76 | 57.35 | 3471 | 1639 |
| Sirgān | city | Sistan va Baluchestan | Iran | 25.55 | 60.23 | 91 | 745 |
| Sirhur | city | Hormozgan | Iran | 26.70 | 57.85 | 4189 | 2086 |
| Sirian | city | Iran | 27.65 | 57.26 | 1925 | 3912 | |
| Sirik | city | Hormozgan | Iran | 26.52 | 57.10 | 65 | 1697 |
| Siriki | city | Hormozgan | Iran | 26.81 | 57.31 | 291 | 2086 |
| Sirinj Dagh | city | Kordestan | Iran | 36.03 | 46.41 | 6761 | 2061 |
| Sirinjaneh | city | Kordestan | Iran | 35.20 | 47.35 | 6174 | 4023 |
| Sirinjianeh-ye Bala | city | Kordestan | Iran | 35.22 | 47.03 | 5029 | 52885 |
| Sirinjianeh-ye Pa'in | city | Kordestan | Iran | 35.21 | 47.01 | 5029 | 36198 |
| Sirinu'iyeh | city | Kerman | Iran | 29.11 | 56.99 | 5977 | 1341 |
| Sirishabad | city | Kordestan | Iran | 35.25 | 47.78 | 5987 | 27346 |
| Siriz | city | Kerman | Iran | 31.02 | 55.97 | 4560 | 1192 |
| Sirj | city | Kerman | Iran | 30.20 | 57.56 | 5344 | 447 |
| Sirja | city | Sistan va Baluchestan | Iran | 25.62 | 61.37 | 82 | 745 |
| Sirjan | city | Khorasan-e Jonubi | Iran | 33.15 | 59.61 | 6709 | 596 |
| Sirk | city | Sistan va Baluchestan | Iran | 26.34 | 59.45 | 1669 | 596 |
| Sirk | city | Chahar Mahal va Bakhtiari | Iran | 32.21 | 50.82 | 6709 | 27348 |
| Sirk | city | Esfahan | Iran | 34.02 | 51.24 | 4189 | 12579 |
| Sirkan | city | Sistan va Baluchestan | Iran | 26.83 | 62.64 | 4189 | 894 |
| Sirkaneh | city | Ilam | Iran | 33.93 | 47.46 | 5029 | 3416 |
| Sirkash | city | Azarbayjan-e Sharqi | Iran | 38.58 | 46.38 | 5912 | 1937 |
| Sirkeh | city | Lorestan | Iran | 33.44 | 48.71 | 6709 | 2682 |
| Sirkhazach | city | Azarbayjan-e Sharqi | Iran | 38.59 | 46.55 | 6177 | 1937 |
| Sirliāl | city | Kerman | Iran | 30.47 | 55.77 | 5029 | 4082 |
| Sirmach | city | Hormozgan | Iran | 25.68 | 58.28 | 3 | 745 |
| Sirna | city | Markazi | Iran | 33.89 | 49.47 | 6295 | 14109 |
| Siroch | city | Kerman | Iran | 30.20 | 57.56 | 5344 | 447 |
| Sirom | city | Qazvin | Iran | 36.07 | 49.86 | 4189 | 27099 |
| Sirom-e Do | city | Lorestan | Iran | 33.10 | 48.55 | 3349 | 3670 |
| Siroo | city | Azarbayjan-e Gharbi | Iran | 37.73 | 44.64 | 5364 | 5107 |
| Siroo'eyeh | city | Hormozgan | Iran | 28.17 | 55.98 | 2732 | 745 |
| Siroo’eyeh | city | Hormozgan | Iran | 28.17 | 55.98 | 2732 | 745 |
| Sirseparanlu Bala | city | Khorasan-e Shomali | Iran | 37.70 | 58.01 | 5869 | 2386 |
| Sirsepranlu-ye `Olya | city | Khorasan-e Shomali | Iran | 37.70 | 58.01 | 5869 | 2386 |
| Siru | city | Hormozgan | Iran | 27.16 | 56.24 | 0 | 19396 |
| Siru'iyeh | city | Kerman | Iran | 29.67 | 56.33 | 9228 | 596 |
| Siru'iyeh | city | Kerman | Iran | 29.23 | 56.27 | 7549 | 1318 |
| Siru'iyeh | city | Hormozgan | Iran | 28.17 | 55.98 | 2732 | 745 |
| Siru'iyeh | city | Kerman | Iran | 29.28 | 56.42 | 7549 | 1341 |
| Sirubad | city | Khorasan-e Jonubi | Iran | 32.94 | 58.43 | 3661 | 596 |
| Sirud | city | Alborz | Iran | 36.08 | 50.90 | 7549 | 2086 |
| Siruj | city | Kerman | Iran | 30.20 | 57.56 | 5344 | 447 |
| Sirun Mazra`eh | city | Chahar Mahal va Bakhtiari | Iran | 32.64 | 49.59 | 6709 | 4471 |
| Sirunu | city | Kerman | Iran | 29.19 | 56.96 | 6709 | 1341 |
| Sirus-e Homayuni | city | Esfahan | Iran | 33.64 | 51.17 | 8389 | 1834 |
| Siruyeh | city | Kerman | Iran | 29.67 | 56.33 | 9228 | 596 |
| Sirvah | city | Esfahan | Iran | 31.41 | 51.34 | 7670 | 2416 |
| Sirvanu | city | Kermanshah | Iran | 34.15 | 47.09 | 5029 | 6705 |
| Sirwan | city | Hamadan | Iran | 34.80 | 48.00 | 6118 | 4514 |
| Siry'iyeh | city | Hormozgan | Iran | 28.17 | 55.98 | 2732 | 745 |
| Siryan | city | Khorasan-e Jonubi | Iran | 33.86 | 58.52 | 5029 | 596 |
| Sirza | city | Khorasan-e Razavi | Iran | 36.43 | 60.23 | 3379 | 3725 |
| Sirzad | city | Khorasan-e Razavi | Iran | 35.64 | 60.97 | 3349 | 2384 |
| Sirzar | city | Khorasan-e Razavi | Iran | 36.97 | 59.84 | 3628 | 3725 |
| Sirzar | city | Khorasan-e Razavi | Iran | 35.67 | 59.71 | 5351 | 4321 |
| Sirâz | city | Fars | Iran | 29.61 | 52.53 | 5029 | 109947 |