EntityQ3757086· pop 7· linked from 3 articlesFrias CastleSign in to savedefensive construction in Frías, Burgos's province, SpainConnectionsSpainCountryInternational Standard Book NumberEntitycastleEntityProvince of BurgosEntityRomanesque architectureEntityKingdom of CastileEntityAlfonso VIII of CastileEntityCrown of CastileEntityFríasEntityDuke of FríasEntityÍñigo Fernández de Velasco, 2nd Duke of FríasEntityJuan Fernández de Velasco, 5th Duke of FríasEntityBernardino Fernández de Velasco, 1st Duke of FríasEntityCategoriesCastles in Castile and León