Landmarks & buildings
Церковь Рождества Христова
Ruined church building in Sheksninsky District, Russia
Wikipedia names Церковь Рождества Христова as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Церковь Рождества Христова. Each title’s page links to the sentence that says so.