Where was Don Camillo in Moscow filmed?
1966 film
Don Camillo in Moscow (1966) was filmed in Brescello, Monterosi and Rome Urbe Airport, 3 places named in its Italian Wikipedia’s Riprese 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 Italian Wikipedia's Riprese section
Italian Wikipedia’s Riprese section names 3 places. Each links to the sentence that says so.

