Where was La moglie più bella filmed?
1970 film by Damiano Damiani
La moglie più bella (1970) was filmed in Partinico, Gibellina, Cinisi, Santa Ninfa and Trappeto, 5 places named in its Wikipedia article's Production section, 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.
Places per Wikipedia's Production section
Wikipedia’s Production section names 5 places. Each links to the sentence that says so.

