Where was Billy the Kid vs. Dracula filmed?
1966 film by William Beaudine
Billy the Kid vs. Dracula (1966) was filmed in Corriganville Movie Ranch, 1 place named in its Wikipedia article, in the United States. 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.
Places per Wikipedia's article
The Wikipedia article names 1 place. Each links to the sentence that says so.