Where was Stepmom (1973) filmed?
1973 film directed by Oleg Bondarev
Stepmom (1973) was filmed in Zarudnya, 1 place named in its Russian Wikipedia’s Места съёмок section, in Russia. 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 Russian Wikipedia's Места съёмок section
Russian Wikipedia’s Места съёмок section names 1 place. Each links to the sentence that says so.