Isasi Jauregia (Markeskua)
Eibar, Spain
The Markeskua Palace, also known as the Tower of Isasi (Isasi Dorrea in Basque, Torre de Isasi in Spanish) or Palace of the Marquis of Isasi, is a renaissance noble house located in the Basque town of Eibar (Spain).
Palace data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).