Where was Crypt of the Vampire filmed?

1964 film by Camillo Mastrocinque

Crypt of the Vampire (1964) was filmed in L'Aquila, Balsorano and Piccolomini Castle, 3 places named in its Wikipedia article, in Italy. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data