Where was A Virgin Among the Living Dead filmed?

1971 film by Jesús Franco, Jean Rollin

A Virgin Among the Living Dead (1971) was filmed in Sintra, Cascais and Condes de Castro Guimarães Palace, 3 places named in its Wikipedia article's Production section, in Portugal. 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