Where was Hussar Ballad filmed?

1962 film by Eldar Ryazanov

Hussar Ballad (1962) was filmed in Dmitrov Municipal Okrug, Поповка (сельское поселение Габовское), Valuevo Estate and Удино (усадьба), 4 places named in its Wikipedia article, 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.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 4 places. Each links to the sentence that says so.