| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ya`qubabad-e Kheyrabad | city | Ostan-e Tehran | Iran | 35.8358333 | 50.6677778 | 3933 | 47797 |
| Yabarak | city | Ostan-e Tehran | Iran | 35.6166667 | 51 | 3608 | 47947 |
| Yabr | city | Ostan-e Tehran | Iran | 35.5 | 51.6833333 | 3405 | 48024 |
| Yabārak | city | Ostan-e Tehran | Iran | 35.6166667 | 51 | 3608 | 47947 |
| Yadreh | city | Ostan-e Tehran | Iran | 35.6208333 | 52.4394444 | 5757 | 47947 |
| Yaftabad | city | Ostan-e Tehran | Iran | 35.6119444 | 51.2377778 | 3559 | 47947 |
| Yaftabad | city | Ostan-e Tehran | Iran | 35.6469444 | 51.3052778 | 3631 | 47923 |
| Yaftābād | city | Ostan-e Tehran | Iran | 35.6119444 | 51.2377778 | 3559 | 47947 |
| Yahar | city | Ostan-e Tehran | Iran | 35.6966667 | 52.4202778 | 7201 | 47898 |
| Yam | city | Ostan-e Tehran | Iran | 35.3588889 | 51.7866667 | 3172 | 48098 |
| Yangi Emam | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yangi Imam | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yangi Imām | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yangī Emām | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yaqeh | city | Ostan-e Tehran | Iran | 35.5552778 | 51.0380556 | 3477 | 47972 |
| Ya‘qūbābād-e Kheyrābād | city | Ostan-e Tehran | Iran | 35.8358333 | 50.6677778 | 3933 | 47797 |
| Yek Lang | city | Ostan-e Tehran | Iran | 35.6666667 | 50.3166667 | 4914 | 23373 |
| Yek Lang | city | Ostan-e Tehran | Iran | 35.7002778 | 50.5811111 | 4570 | 34306 |
| Yekeh Galleh | city | Ostan-e Tehran | Iran | 35.5833333 | 52.1333333 | 6430 | 43588 |
| Yeman Jeleq | city | Ostan-e Tehran | Iran | 35.9833333 | 50.4833333 | 3776 | 14388 |
| Yemān Jeleq | city | Ostan-e Tehran | Iran | 35.9833333 | 50.4833333 | 3776 | 14388 |
| Yengi Emam | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yengī Emām | city | Ostan-e Tehran | Iran | 35.9377778 | 50.6197222 | 3871 | 47222 |
| Yerak | city | Ostan-e Tehran | Iran | 36.35 | 50.4833333 | 6338 | 28357 |
| Yowrd-e Shah | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yowrd-e Shāh | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yurd Shah Bala | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yurd Shāh Bālā | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yurd-e Shah | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yurd-e Shah Bala | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yurdeshah | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yurdeshah-e Bala | city | Ostan-e Tehran | Iran | 35.6 | 51.8 | 4498 | 47947 |
| Yurdeshah-e Pa'in | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yurdeshah-e Pa'in | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yurt-i-Shah | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yurt-i-Shāh | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yusef Reza | city | Ostan-e Tehran | Iran | 35.3583333 | 51.6922222 | 3034 | 48098 |
| Yusefabad | city | Ostan-e Tehran | Iran | 35.6347222 | 51.0455556 | 3661 | 47923 |
| Yusefabad | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yusefabad | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
| Yusefabad-e Qavam | city | Ostan-e Tehran | Iran | 35.6791667 | 50.9025 | 3779 | 47505 |
| Yusefabad-e Seyrafi | city | Ostan-e Tehran | Iran | 35.6347222 | 51.0455556 | 3661 | 47923 |
| Yusofabad | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yusofabad | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
| Yusufabad | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yusufabad | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
| Yāftābād | city | Ostan-e Tehran | Iran | 35.6469444 | 51.3052778 | 3631 | 47923 |
| Yām | city | Ostan-e Tehran | Iran | 35.3588889 | 51.7866667 | 3172 | 48098 |
| Yūrd-e Shāh | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yūrd-e Shāh Bālā | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yūrdeshāh | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yūrdeshāh-e Bālā | city | Ostan-e Tehran | Iran | 35.6 | 51.8 | 4498 | 47947 |
| Yūrdeshāh-e Pā'īn | city | Ostan-e Tehran | Iran | 35.6 | 51.75 | 5265 | 47947 |
| Yūrdeshāh-e Pā'īn | city | Ostan-e Tehran | Iran | 35.6013889 | 51.7891667 | 4130 | 47947 |
| Yūsef Reẕā | city | Ostan-e Tehran | Iran | 35.3583333 | 51.6922222 | 3034 | 48098 |
| Yūsefābād | city | Ostan-e Tehran | Iran | 35.6347222 | 51.0455556 | 3661 | 47923 |
| Yūsefābād | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yūsefābād | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
| Yūsefābād-e Qavām | city | Ostan-e Tehran | Iran | 35.6791667 | 50.9025 | 3779 | 47505 |
| Yūsefābād-e Şeyrafī | city | Ostan-e Tehran | Iran | 35.6347222 | 51.0455556 | 3661 | 47923 |
| Yūsofābād | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yūsofābād | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
| Yūsufābād | city | Ostan-e Tehran | Iran | 35.7338889 | 51.3966667 | 4274 | 47874 |
| Yūsufābād | city | Ostan-e Tehran | Iran | 35.2913889 | 51.8525 | 3077 | 46897 |
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