| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Agoncillo | village | 1011 | 42.445171 | -2.291365 | Map | ||||
| Agost | village | 4818 | 38.436905 | -0.639669 | Map | ||||
| Agramunt | town | 5342 | 41.787670 | 1.098683 | Map | ||||
| Ágreda | town | 3187 | 41.854847 | -1.921461 | Map | ||||
| Aguadulce | village | 2160 | 37.253021 | -4.990617 | Map | ||||
| Agudo | village | 1871 | 38.980850 | -4.870944 | Map | ||||
| Aguilar de Campoo | town | 6450 | 42.794460 | -4.264079 | Map | ||||
| Aguilar de la Frontera | town | 13693 | 37.514324 | -4.655443 | Map | ||||
| Águilas | town | Región de Murcia | Murcia | 32370 | 37.409962 | -1.580492 | Map | ||
| Agullent | village | 2463 | 38.823341 | -0.547374 | Map | ||||
| Ahillones | village | Extremadura | Badajoz | 1032 | 38.260597 | -5.864863 | Map | ||
| Aia | village | Euskal Herria / País | Gipuzkoa | 2026 | 43.236546 | -2.148667 | Map | ||
| Aielo de Malferit | village | 4726 | 38.879757 | -0.590927 | Map | ||||
| Aiguafreda | village | 2428 | 41.769253 | 2.251716 | Map | ||||
| Aigües | village | 1084 | 38.500263 | -0.363426 | Map | ||||
| Aínsa | village | 1616 | 42.416199 | 0.138181 | Map | ||||
| Ainzón | village | 1269 | 41.816071 | -1.519697 | Map | ||||
| Aitona | village | 2389 | 41.493954 | 0.459108 | Map | ||||
| Ajalvir | village | Comunidad de Madrid | Madrid | 3909 | 40.534229 | -3.480782 | Map | ||
| Ajo | village | Cantabria | Cantabria | 1603 | 43.480259 | -3.611070 | Map | ||
| Ajofrín | village | 2292 | 39.711128 | -3.981150 | Map | ||||
| Alacant/Alicante | city | 322673 | 38.353737 | -0.490185 | Map | ||||
| Alaejos | village | 1572 | 41.307407 | -5.216034 | Map | ||||
| Alagón | town | 6900 | 41.771111 | -1.118881 | Map | ||||
| Alaior | town | 7362 | 39.934483 | 4.138278 | Map |