| name | image | style | date demolished | type | use | administrative division | continent | date completed | date Start construction | Website | Height (m) | city | Country | latitude (°) | longitude (°) | Original_owner/Owner/Protection | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alcázar de los Reyes Cristianos |  | Andalusia | Europe | 14th century | website | Córdoba, Spain | Spain | 37.8772222200 | -4.7819444400 | Map | |||||||
| Alcázar of Segovia |  | Castile and León | Europe | 1120 | website | Segovia | Spain | 40.9525000000 | -4.1327777778 | Francisco de Mora, Juan de Herrera | Map | ||||||
| Alcázar of Toledo |  | Fortified Castle | Various | Castilla-La Mancha | Europe | 16th century | website | Toledo, Spain | Spain | 39.8580555600 | -4.0205555600 | Map | |||||
| Alcazaba of Badajoz |  | Extremadura | Europe | 1169 | website | Badajoz | Spain | 38.8836111100 | -6.9683333300 | Abu Yaqub Yusuf, Ayuntamiento de badajoz | Map | ||||||
| Aljafería |  | Aragon | Europe | 11st century | website | Zaragoza | Spain | 41.6564900000 | -0.8970800000 | Map |