Where was Salt for Svaneti filmed?
1930 film by Mikhail Kalatozov
Salt for Svaneti (1930) was filmed in Ushguli, 1 place named in its Wikipedia article's Production section, in Georgia. 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 1 place. Each links to the sentence that says so.