| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dahaneh | city | Ostan-e Golestan | Iran | 36.9938889 | 54.0525 | -45 | 10180 |
| Dahaneh | city | Ostan-e Golestan | Iran | 36.9805556 | 54.0644444 | -42 | 10180 |
| Dahaneh-ye Do | city | Ostan-e Golestan | Iran | 36.9805556 | 54.0644444 | -42 | 10180 |
| Dahaneh-ye Yek | city | Ostan-e Golestan | Iran | 36.9938889 | 54.0525 | -45 | 10180 |
| Dakmer | city | Ostan-e Golestan | Iran | 36.7691667 | 54.7216667 | 5715 | 11152 |
| Dali | city | Ostan-e Golestan | Iran | 36.9169444 | 54.3205556 | 3 | 11128 |
| Daneshmand | city | Ostan-e Golestan | Iran | 37.5044444 | 54.7902778 | 101 | 1678 |
| Dangalan | city | Ostan-e Golestan | Iran | 36.7911111 | 54.2608333 | 295 | 11152 |
| Dangelan | city | Ostan-e Golestan | Iran | 36.7911111 | 54.2608333 | 295 | 11152 |
| Dangelān | city | Ostan-e Golestan | Iran | 36.7911111 | 54.2608333 | 295 | 11152 |
| Dar Kalateh | city | Ostan-e Golestan | Iran | 36.9663889 | 54.9652778 | 449 | 11123 |
| Dasam Chah | city | Ostan-e Golestan | Iran | 36.9772222 | 54.8227778 | 226 | 11123 |
| Dasam Chāh | city | Ostan-e Golestan | Iran | 36.9772222 | 54.8227778 | 226 | 11123 |
| Dashli Borun | city | Ostan-e Golestan | Iran | 37.6336111 | 54.8177778 | 164 | 6586 |
| Dashte Gorgan | city | Ostan-e Golestan | Iran | 37.255 | 55.1713889 | 173 | 11081 |
| Davaji Udok | city | Ostan-e Golestan | Iran | 37.0113889 | 54.7763889 | 226 | 11114 |
| Davajī Ūdok | city | Ostan-e Golestan | Iran | 37.0113889 | 54.7763889 | 226 | 11114 |
| Delijeh | city | Ostan-e Golestan | Iran | 36.95 | 54.4666667 | 39 | 11128 |
| Delījeh | city | Ostan-e Golestan | Iran | 36.95 | 54.4666667 | 39 | 11128 |
| Deymehlu | city | Ostan-e Golestan | Iran | 36.6916667 | 54.5616667 | 5295 | 11165 |
| Deymehlū | city | Ostan-e Golestan | Iran | 36.6916667 | 54.5616667 | 5295 | 11165 |
| Digcheh | city | Ostan-e Golestan | Iran | 37.2605556 | 54.9466667 | 108 | 11081 |
| Dikcheh | city | Ostan-e Golestan | Iran | 37.2605556 | 54.9466667 | 108 | 11081 |
| Do Dangeh | city | Ostan-e Golestan | Iran | 36.8513889 | 54.565 | 629 | 11142 |
| Do Dāngeh | city | Ostan-e Golestan | Iran | 36.8513889 | 54.565 | 629 | 11142 |
| Do Gonji | city | Ostan-e Golestan | Iran | 37.05 | 54.4172222 | 98 | 11110 |
| Do Gonjī | city | Ostan-e Golestan | Iran | 37.05 | 54.4172222 | 98 | 11110 |
| Do Gunchi | city | Ostan-e Golestan | Iran | 37.05 | 54.4172222 | 98 | 11110 |
| Do Gūnchī | city | Ostan-e Golestan | Iran | 37.05 | 54.4172222 | 98 | 11110 |
| Dowrud Mahalleh | city | Ostan-e Golestan | Iran | 36.8166667 | 54.2488889 | 173 | 11148 |
| Dowrūd Maḩalleh | city | Ostan-e Golestan | Iran | 36.8166667 | 54.2488889 | 173 | 11148 |
| Dozdak | city | Ostan-e Golestan | Iran | 36.9802778 | 55.1836111 | 3457 | 11123 |
| Duhi Ardak | city | Ostan-e Golestan | Iran | 37.0113889 | 54.7763889 | 226 | 11114 |
| Duz Ayum | city | Ostan-e Golestan | Iran | 37.5558333 | 54.83 | 39 | 5548 |
| Duz Olowm | city | Ostan-e Golestan | Iran | 37.5697222 | 54.8366667 | 42 | 9049 |
| Duz Olum | city | Ostan-e Golestan | Iran | 37.5697222 | 54.8366667 | 42 | 9049 |
| Dālī | city | Ostan-e Golestan | Iran | 36.9169444 | 54.3205556 | 3 | 11128 |
| Dāneshmand | city | Ostan-e Golestan | Iran | 37.5044444 | 54.7902778 | 101 | 1678 |
| Dāngalān | city | Ostan-e Golestan | Iran | 36.7911111 | 54.2608333 | 295 | 11152 |
| Dār Kalāteh | city | Ostan-e Golestan | Iran | 36.9663889 | 54.9652778 | 449 | 11123 |
| Dāshlī Borūn | city | Ostan-e Golestan | Iran | 37.6336111 | 54.8177778 | 164 | 6586 |
| Dīgcheh | city | Ostan-e Golestan | Iran | 37.2605556 | 54.9466667 | 108 | 11081 |
| Dīkcheh | city | Ostan-e Golestan | Iran | 37.2605556 | 54.9466667 | 108 | 11081 |
| Dūz Olowm | city | Ostan-e Golestan | Iran | 37.5697222 | 54.8366667 | 42 | 9049 |
| Dūz Olūm | city | Ostan-e Golestan | Iran | 37.5697222 | 54.8366667 | 42 | 9049 |
| Dūz Āyūm | city | Ostan-e Golestan | Iran | 37.5558333 | 54.83 | 39 | 5548 |
| Dūḩī Ardak | city | Ostan-e Golestan | Iran | 37.0113889 | 54.7763889 | 226 | 11114 |
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