| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dabanlu | city | Ostan-e Ardabil | Iran | 37.8311111 | 48.2280556 | 6522 | 9031 |
| Dagmeh Dagheldi | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dagmeh Daghil | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dagmeh Daghun | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dagmeh Dāgheldī | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dagmeh Dāghīl | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dagmeh Dāghūn | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Daimadaghli | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dakan Mirza | city | Ostan-e Ardabil | Iran | 37.6422222 | 48.6111111 | 8648 | 10596 |
| Dakān Mīrzā | city | Ostan-e Ardabil | Iran | 37.6422222 | 48.6111111 | 8648 | 10596 |
| Daleh Khani | city | Ostan-e Ardabil | Iran | 37.2083333 | 48.9958333 | 7319 | 18282 |
| Daleh Khānī | city | Ostan-e Ardabil | Iran | 37.2083333 | 48.9958333 | 7319 | 18282 |
| Dalma Deh | city | Ostan-e Ardabil | Iran | 37.3794444 | 48.7697222 | 6295 | 10049 |
| Dalmā Deh | city | Ostan-e Ardabil | Iran | 37.3794444 | 48.7697222 | 6295 | 10049 |
| Dam Dul | city | Ostan-e Ardabil | Iran | 37.3336111 | 48.3952778 | 4097 | 9087 |
| Dam Dūl | city | Ostan-e Ardabil | Iran | 37.3336111 | 48.3952778 | 4097 | 9087 |
| Damdabaja | city | Ostan-e Ardabil | Iran | 38.9230556 | 47.8641667 | 3828 | 8894 |
| Damdapaja | city | Ostan-e Ardabil | Iran | 38.9230556 | 47.8641667 | 3828 | 8894 |
| Damdol | city | Ostan-e Ardabil | Iran | 37.3336111 | 48.3952778 | 4097 | 9087 |
| Danduneh | city | Ostan-e Ardabil | Iran | 37.2277778 | 48.9938889 | 5531 | 20225 |
| Dandūneh | city | Ostan-e Ardabil | Iran | 37.2277778 | 48.9938889 | 5531 | 20225 |
| Dargah Saran | city | Ostan-e Ardabil | Iran | 38.2008333 | 47.985 | 7450 | 8986 |
| Dargah Sarān | city | Ostan-e Ardabil | Iran | 38.2008333 | 47.985 | 7450 | 8986 |
| Dargahlu | city | Ostan-e Ardabil | Iran | 39.1075 | 47.7227778 | 2204 | 8873 |
| Dargeh Saran | city | Ostan-e Ardabil | Iran | 38.2008333 | 47.985 | 7450 | 8986 |
| Dargeh Sarān | city | Ostan-e Ardabil | Iran | 38.2008333 | 47.985 | 7450 | 8986 |
| Dargāhlū | city | Ostan-e Ardabil | Iran | 39.1075 | 47.7227778 | 2204 | 8873 |
| Dash Bolagh | city | Ostan-e Ardabil | Iran | 37.9938889 | 48.125 | 6164 | 9013 |
| Dash Qapu | city | Ostan-e Ardabil | Iran | 39.0611111 | 47.7325 | 2552 | 8877 |
| Dash-Bulag | city | Ostan-e Ardabil | Iran | 37.8888889 | 48.2513889 | 6512 | 9023 |
| Dash-Bulag | city | Ostan-e Ardabil | Iran | 37.9663889 | 48.5413889 | 8671 | 10672 |
| Dashbolagh | city | Ostan-e Ardabil | Iran | 37.8888889 | 48.2513889 | 6512 | 9023 |
| Dashbolagh | city | Ostan-e Ardabil | Iran | 37.9663889 | 48.5413889 | 8671 | 10672 |
| Dashbulaq | city | Ostan-e Ardabil | Iran | 37.8888889 | 48.2513889 | 6512 | 9023 |
| Dashbulaq | city | Ostan-e Ardabil | Iran | 37.9663889 | 48.5413889 | 8671 | 10672 |
| Dasht Andar | city | Ostan-e Ardabil | Iran | 37.2161111 | 48.7791667 | 6906 | 8314 |
| Dashteh | city | Ostan-e Ardabil | Iran | 37.3947222 | 48.8602778 | 4429 | 15304 |
| Dastgir | city | Ostan-e Ardabil | Iran | 38.475 | 47.6819444 | 3789 | 8950 |
| Dastgīr | city | Ostan-e Ardabil | Iran | 38.475 | 47.6819444 | 3789 | 8950 |
| Davahchi-ye `Olya | city | Ostan-e Ardabil | Iran | 38.6508333 | 47.8644444 | 3549 | 8930 |
| Davahchī-ye ‘Olyā | city | Ostan-e Ardabil | Iran | 38.6508333 | 47.8644444 | 3549 | 8930 |
| Davshanly | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Davud Khaneh | city | Ostan-e Ardabil | Iran | 37.6625 | 48.5525 | 6230 | 9178 |
| Davudkhani | city | Ostan-e Ardabil | Iran | 37.6625 | 48.5525 | 6230 | 9178 |
| Dayu | city | Ostan-e Ardabil | Iran | 37.3558333 | 48.2625 | 5869 | 9087 |
| Dayu Kandi | city | Ostan-e Ardabil | Iran | 37.3558333 | 48.2625 | 5869 | 9087 |
| Dehru | city | Ostan-e Ardabil | Iran | 37.405 | 48.6961111 | 5193 | 9083 |
| Delah Khani | city | Ostan-e Ardabil | Iran | 37.2083333 | 48.9958333 | 7319 | 18282 |
| Delah Khānī | city | Ostan-e Ardabil | Iran | 37.2083333 | 48.9958333 | 7319 | 18282 |
| Derow | city | Ostan-e Ardabil | Iran | 37.405 | 48.6961111 | 5193 | 9083 |
| Deylamdeh | city | Ostan-e Ardabil | Iran | 37.3794444 | 48.7697222 | 6295 | 10049 |
| Deyrgah | city | Ostan-e Ardabil | Iran | 37.8483333 | 48.5930556 | 5649 | 19571 |
| Deyrgāh | city | Ostan-e Ardabil | Iran | 37.8483333 | 48.5930556 | 5649 | 19571 |
| Dinar Dul | city | Ostan-e Ardabil | Iran | 37.3883333 | 48.6175 | 6482 | 9083 |
| Diz | city | Ostan-e Ardabil | Iran | 37.2925 | 48.7666667 | 5406 | 9093 |
| Diz Ab | city | Ostan-e Ardabil | Iran | 37.2361111 | 48.9388889 | 5364 | 19455 |
| Dizeh | city | Ostan-e Ardabil | Iran | 37.2925 | 48.7666667 | 5406 | 9093 |
| Dizgah | city | Ostan-e Ardabil | Iran | 37.8483333 | 48.5930556 | 5649 | 19571 |
| Dogar | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Dogmeh | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dogmeh Daghun | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dogmeh Dāghūn | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dokmah Daghluy | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Dokmah Dāghlūy | city | Ostan-e Ardabil | Iran | 37.9030556 | 48.0858333 | 6919 | 9023 |
| Domuli | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Domūlī | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Doshman | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Doshmanli | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Doshmanlu | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Doshmanlī | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Doshmānlū | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Dostulu | city | Ostan-e Ardabil | Iran | 37.4372222 | 48.3911111 | 4986 | 9079 |
| Dowlatabad | city | Ostan-e Ardabil | Iran | 38.4138889 | 47.6766667 | 4402 | 8958 |
| Dowlatabad | city | Ostan-e Ardabil | Iran | 37.6025 | 48.0366667 | 6292 | 9056 |
| Dowlatābād | city | Ostan-e Ardabil | Iran | 38.4138889 | 47.6766667 | 4402 | 8958 |
| Dowlatābād | city | Ostan-e Ardabil | Iran | 37.6025 | 48.0366667 | 6292 | 9056 |
| Dowshanjaq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshanjiq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshanli | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshanlu | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshānjaq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshānjīq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshānlī | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dowshānlū | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dugar | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Duger | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Dulah | city | Ostan-e Ardabil | Iran | 37.5133333 | 48.6961111 | 7837 | 10857 |
| Duli | city | Ostan-e Ardabil | Iran | 38.6986111 | 47.8908333 | 3907 | 8925 |
| Dulyatabad | city | Ostan-e Ardabil | Iran | 37.6025 | 48.0366667 | 6292 | 9056 |
| Dumuli | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Dumulu | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Dushanjaq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dushanlu | city | Ostan-e Ardabil | Iran | 38.3747222 | 47.4705556 | 3956 | 8967 |
| Dushmalli | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Dust Beyglu | city | Ostan-e Ardabil | Iran | 38.5927778 | 47.5336111 | 3316 | 8936 |
| Dust`ali Beyglu | city | Ostan-e Ardabil | Iran | 38.5927778 | 47.5336111 | 3316 | 8936 |
| Dustelu | city | Ostan-e Ardabil | Iran | 37.4372222 | 48.3911111 | 4986 | 9079 |
| Dustlu | city | Ostan-e Ardabil | Iran | 37.4372222 | 48.3911111 | 4986 | 9079 |
| Dust‘ali Beyglū | city | Ostan-e Ardabil | Iran | 38.5927778 | 47.5336111 | 3316 | 8936 |
| Dyugar | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Dzhiavan | city | Ostan-e Ardabil | Iran | 37.9677778 | 48.4180556 | 6095 | 9013 |
| Dzhigdzhig | city | Ostan-e Ardabil | Iran | 37.8525 | 48.2352778 | 6243 | 9027 |
| Dābānlū | city | Ostan-e Ardabil | Iran | 37.8311111 | 48.2280556 | 6522 | 9031 |
| Dāmdābājā | city | Ostan-e Ardabil | Iran | 38.9230556 | 47.8641667 | 3828 | 8894 |
| Dāmdāpājā | city | Ostan-e Ardabil | Iran | 38.9230556 | 47.8641667 | 3828 | 8894 |
| Dāsh Bolāgh | city | Ostan-e Ardabil | Iran | 37.9938889 | 48.125 | 6164 | 9013 |
| Dāsh Qāpū | city | Ostan-e Ardabil | Iran | 39.0611111 | 47.7325 | 2552 | 8877 |
| Dāshbolāgh | city | Ostan-e Ardabil | Iran | 37.8888889 | 48.2513889 | 6512 | 9023 |
| Dāshbolāgh | city | Ostan-e Ardabil | Iran | 37.9663889 | 48.5413889 | 8671 | 10672 |
| Dāshbulāq | city | Ostan-e Ardabil | Iran | 37.8888889 | 48.2513889 | 6512 | 9023 |
| Dāshbulāq | city | Ostan-e Ardabil | Iran | 37.9663889 | 48.5413889 | 8671 | 10672 |
| Dāvūd Khāneh | city | Ostan-e Ardabil | Iran | 37.6625 | 48.5525 | 6230 | 9178 |
| Dāvūdkhānī | city | Ostan-e Ardabil | Iran | 37.6625 | 48.5525 | 6230 | 9178 |
| Dāyū | city | Ostan-e Ardabil | Iran | 37.3558333 | 48.2625 | 5869 | 9087 |
| Dāyū Kandī | city | Ostan-e Ardabil | Iran | 37.3558333 | 48.2625 | 5869 | 9087 |
| Dīnār Dūl | city | Ostan-e Ardabil | Iran | 37.3883333 | 48.6175 | 6482 | 9083 |
| Dīz | city | Ostan-e Ardabil | Iran | 37.2925 | 48.7666667 | 5406 | 9093 |
| Dīz Āb | city | Ostan-e Ardabil | Iran | 37.2361111 | 48.9388889 | 5364 | 19455 |
| Dīzgāh | city | Ostan-e Ardabil | Iran | 37.8483333 | 48.5930556 | 5649 | 19571 |
| Dūgar | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Dūger | city | Ostan-e Ardabil | Iran | 37.5025 | 48.2594444 | 4944 | 9069 |
| Dūlah | city | Ostan-e Ardabil | Iran | 37.5133333 | 48.6961111 | 7837 | 10857 |
| Dūlī | city | Ostan-e Ardabil | Iran | 38.6986111 | 47.8908333 | 3907 | 8925 |
| Dūmūlī | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Dūmūlū | city | Ostan-e Ardabil | Iran | 38.9233333 | 47.5775 | 2562 | 8894 |
| Dūshmallī | city | Ostan-e Ardabil | Iran | 37.7461111 | 48.1761111 | 5623 | 9042 |
| Dūshānjaq | city | Ostan-e Ardabil | Iran | 37.9333333 | 48.0833333 | 5787 | 9017 |
| Dūshānlū | city | Ostan-e Ardabil | Iran | 38.3747222 | 47.4705556 | 3956 | 8967 |
| Dūst Beyglū | city | Ostan-e Ardabil | Iran | 38.5927778 | 47.5336111 | 3316 | 8936 |
| Dūstelū | city | Ostan-e Ardabil | Iran | 37.4372222 | 48.3911111 | 4986 | 9079 |
| Dūstlū | city | Ostan-e Ardabil | Iran | 37.4372222 | 48.3911111 | 4986 | 9079 |
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