Castillo de Olsón is a château at Aínsa-Sobrarbe, Spain, Aragon, in Spain. The recorded building campaign dates from the 11th century. The register records it as “bien de interés cultural”. Details are drawn from Wikidata.
Composed from the fields of the record itself — place, century, protection. Not written about the building, and not drawn from any source beyond those named below.
