| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| `Idabad | city | Ostan-e Tehran | Iran | 35.6166667 | 51.0833333 | 3612 | 47947 |
| `Idanak | city | Ostan-e Kohgiluyeh va Buyer Ahmad | Iran | 30.9441667 | 50.4088889 | 2696 | 5600 |
| `Idin | city | | Iran | 36.4980556 | 53.8233333 | 5997 | 11197 |
| `Idu Man Dustabad | city | Ostan-e Sistan va Baluchestan | Iran | 28.9166667 | 61.2166667 | 4209 | 1299 |
| `Iduabad | city | Ostan-e Sistan va Baluchestan | Iran | 28.9166667 | 61.2166667 | 4209 | 1299 |
| `Ilaki Bala | city | Ostan-e Khorasan | Iran | 32.725 | 59.2263889 | 6692 | 2889 |
| `Imarat | city | Ostan-e Markazi | Iran | 33.8602778 | 49.5691667 | 6532 | 6714 |
| `Imarat | city | | Iran | 35.4333333 | 52.2 | 4658 | 4045 |
| `Imarat | city | Ostan-e Khorasan | Iran | 37.0263889 | 58.8986111 | 5741 | 2744 |
| `Iraq | city | | Iran | 34.0855556 | 49.6838889 | 5721 | 5293 |
| `Iraq | city | Ostan-e Esfahan | Iran | 33.4644444 | 54.8730556 | 3900 | 4709 |
| `Isa | city | Ostan-e Sistan va Baluchestan | Iran | 31.095 | 61.4011111 | 1548 | 1271 |
| `Isa Bagh | city | Ostan-e Khorasan | Iran | 36.9219444 | 57.9083333 | 5393 | 2744 |
| `Isa Beyglu | city | | Iran | 36.1 | 48.15 | 4757 | 6430 |
| `Isa Dar | city | Ostan-e Kordestan | Iran | 35.4666667 | 47.0333333 | 5337 | 5902 |
| `Isa Faqir | city | Ostan-e Sistan va Baluchestan | Iran | 30.9166667 | 61.6333333 | 1574 | 1274 |
| `Isa Guli | city | Ostan-e Azarbayjan-e Gharbi | Iran | 39.0633333 | 44.2719444 | 7191 | 8416 |
| `Isa Kandi | city | Ostan-e Azarbayjan-e Gharbi | Iran | 39.6 | 44.8333333 | 2575 | 8423 |
| `Isa Kandi | city | Ostan-e Azarbayjan-e Gharbi | Iran | 36.6602778 | 45.99 | 4822 | 8807 |
| `Isa Khan Bala | city | Ostan-e Kermanshah | Iran | 34.2397222 | 47.4483333 | 4937 | 9080 |
| `Isa Khan-e Pa'in | city | Ostan-e Kermanshah | Iran | 34.2458333 | 47.4505556 | 4937 | 9080 |
| `Isa Khan-e Sofla | city | Ostan-e Kermanshah | Iran | 34.2458333 | 47.4505556 | 4937 | 9080 |
| `Isa Khan-e `Olya | city | Ostan-e Kermanshah | Iran | 34.2397222 | 47.4483333 | 4937 | 9080 |
| `Isa Khandaq | city | | Iran | 36.5833333 | 52.9833333 | 26 | 11184 |
| `Isa Khani | city | Ostan-e Azarbayjan-e Sharqi | Iran | 37.3 | 46.0166667 | 4199 | 8969 |
| `Isa'i | city | Ostan-e Khorasan | Iran | 36.1666667 | 57.6494444 | 3011 | 2772 |
| `Isaabad | city | Ostan-e Kordestan | Iran | 35.3491667 | 46.7833333 | 5731 | 5909 |
| `Isaabad | city | | Iran | 34.7166667 | 49.3166667 | 5702 | 5254 |
| `Isaabad | city | | Iran | 34.5355556 | 50.2663889 | 6131 | 5268 |
| `Isaabad | city | | Iran | 34.0258333 | 50.3072222 | 6643 | 5300 |
| `Isaabad | city | Ostan-e Chahar Mahall va Bakhtiari | Iran | 32.28 | 50.5194444 | 6735 | 7043 |
| `Isaabad | city | Ostan-e Esfahan | Iran | 36.1166667 | 54.45 | 3638 | 733 |
| `Isaabad | city | Ostan-e Kerman | Iran | 30.4688889 | 55.9788889 | 4898 | 1540 |
| `Isaabad | city | Ostan-e Kerman | Iran | 30.9911111 | 56.7030556 | 6666 | 1531 |
| `Isaabad | city | Ostan-e Hormozgan | Iran | 27.4333333 | 57.1833333 | 613 | 2086 |
| `Isaabad | city | Ostan-e Sistan va Baluchestan | Iran | 27.6333333 | 59.1666667 | 1243 | 1316 |
| `Isaabad | city | Ostan-e Sistan va Baluchestan | Iran | 28.6166667 | 59.8333333 | 2316 | 1302 |
| `Isaabad | city | Ostan-e Sistan va Baluchestan | Iran | 26.9102778 | 60.175 | 2247 | 1321 |
| `Isaabad | city | Ostan-e Sistan va Baluchestan | Iran | 30.9144444 | 61.4316667 | 1525 | 1274 |
| `Isaabad-e Sar Bonan | city | Ostan-e Kerman | Iran | 30.9911111 | 56.7030556 | 6666 | 1531 |
| `Isakan | city | Ostan-e Azarbayjan-e Gharbi | Iran | 37.5333333 | 45.2333333 | 4219 | 7601 |
| `Isakhan | city | Ostan-e Azarbayjan-e Gharbi | Iran | 39.4666667 | 44.5833333 | 5265 | 8474 |
| `Isalu | city | Ostan-e Azarbayjan-e Gharbi | Iran | 37.3666667 | 45.25 | 4366 | 7039 |
| `Isalu-ye Heydarlu | city | Ostan-e Azarbayjan-e Gharbi | Iran | 37.6833333 | 45.0833333 | 4301 | 8688 |
| `Isalu-ye Zemi | city | Ostan-e Azarbayjan-e Gharbi | Iran | 37.6833333 | 45.1 | 4258 | 8688 |
| `Isavand | city | Ostan-e Bushehr | Iran | 29.1516667 | 51.0963889 | 72 | 4131 |
| `Isavandi | city | Ostan-e Bushehr | Iran | 29.1516667 | 51.0963889 | 72 | 4131 |
| `Isavli | city | Ostan-e Kordestan | Iran | 35.6611111 | 46.4386111 | 5446 | 5888 |
| `Isevand | city | Ostan-e Bushehr | Iran | 29.1516667 | 51.0963889 | 72 | 4131 |
| `Ishaqabad | city | Ostan-e Khorasan | Iran | 35.6658333 | 59.7675 | 5078 | 2791 |
| `Ishqabad | city | Ostan-e Khorasan | Iran | 36.0627778 | 58.6919444 | 3733 | 2776 |
| `Ishqabad | city | Ostan-e Khorasan | Iran | 33.5677778 | 59.16 | 6105 | 2861 |
| `Ishqabad | city | Ostan-e Khorasan | Iran | 35.6658333 | 59.7675 | 5078 | 2791 |
| `Ishqanan | city | Ostan-e Fars | Iran | 27.2294444 | 53.6083333 | 1253 | 3687 |
| `Ishqil | city | Ostan-e Kerman | Iran | 30.05 | 55.2 | 5928 | 1545 |
| `Ishqwan | city | Ostan-e Esfahan | Iran | 32.5802778 | 51.7608333 | 5101 | 4760 |
| `Ishratabad | city | Ostan-e Fars | Iran | 31.1666667 | 52.6033333 | 6656 | 3966 |
| `Isi Abad | city | Ostan-e Kordestan | Iran | 35.3491667 | 46.7833333 | 5731 | 5909 |
| `Isivand | city | Ostan-e Bushehr | Iran | 29.1516667 | 51.0963889 | 72 | 4131 |
| `Ismatabad | city | Ostan-e Khorasan | Iran | 36.8122222 | 58.8913889 | 3923 | 2749 |
| `Isun | city | Ostan-e Esfahan | Iran | 32.6347222 | 51.7483333 | 5111 | 4754 |
| `Isvand | city | Ostan-e Bushehr | Iran | 29.1516667 | 51.0963889 | 72 | 4131 |
| `Iwaz | city | Ostan-e Fars | Iran | 27.7633333 | 54.0102778 | 3090 | 4102 |
| `Iz-i-Deh | city | | Iran | 36.605 | 52.1438889 | -45 | 6024 |