Where was Hello, I'm Your Aunt! filmed?
1975 film directed by Viktor Titov
Hello, I'm Your Aunt! (1975) was filmed in Palace of Kuskovo, 1 place named in its Russian Wikipedia’s История создания 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 История создания section
Russian Wikipedia’s История создания section names 1 place. Each links to the sentence that says so.
