Where was Dracula Against Frankenstein filmed?

1972 film by Jesús Franco

Dracula Against Frankenstein (1972) was filmed in Paris, Lisbon, Alicante, Sintra, Cascais, Santa Bárbara Castle and 1 more place, 7 places named in its Wikipedia article, in France, Portugal, Spain. 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