| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Darro | village | 1462 | 37.349190 | -3.293365 | Map | ||||
| Daya Nueva | village | 1938 | 38.113888 | -0.760930 | Map | ||||
| Deba | village | Euskadi | Gipuzkoa | 5185 | 43.294140 | -2.353931 | Map | ||
| Deifontes | village | 2580 | 37.325996 | -3.593675 | Map | ||||
| Deltebre | town | Catalunya | Tarragona | 12316 | 40.720394 | 0.724344 | Map | ||
| Dénia | town | 40027 | 38.840839 | 0.106110 | Map | ||||
| Derio | village | 4140 | 43.291695 | -2.885882 | Map | ||||
| Dílar | village | 1821 | 37.073734 | -3.601002 | Map | ||||
| Dolores | village | 7392 | 38.139244 | -0.769318 | Map | ||||
| Don Benito | town | Extremadura | Badajoz | 37048 | 38.954079 | -5.861985 | Map | ||
| Doña Mencía | village | 5029 | 37.554493 | -4.357345 | Map | ||||
| Doneztebe/Santesteban | village | 1688 | 43.131626 | -1.668972 | Map | ||||
| Doñinos de Salamanca | village | 1634 | 40.959229 | -5.746139 | Map | ||||
| Donostia / San Sebastián | city | Euskal Herria / País | Gipuzkoa | 186409 | 43.321331 | -1.985623 | Map | ||
| Dos Hermanas | city | 125000 | 37.279430 | -5.922547 | Map | ||||
| Dos Torres | village | 2563 | 38.444206 | -4.895783 | Map | ||||
| Dosbarrios | village | 2404 | 39.883377 | -3.482059 | Map | ||||
| Dosrius | village | 1365 | 41.594345 | 2.406317 | Map | ||||
| Dueñas | village | 2858 | 41.876518 | -4.546280 | Map | ||||
| Durango | town | Euskadi | Bizkaia | 28261 | 43.170708 | -2.633490 | Map | ||
| Dúrcal | village | 7058 | 36.987659 | -3.565898 | Map | ||||
| Duruelo de la Sierra | village | 1322 | 41.954082 | -2.932441 | Map | ||||
| Écija | town | 38551 | 37.540600 | -5.079589 | Map | ||||
| Eibar | town | Euskadi | Gipuzkoa | 27496 | 43.184284 | -2.473275 | Map | ||
| Eivissa | town | Illes Balears | Illes Balears | 49516 | 38.909355 | 1.433930 | Map |