Towns & cities
Qazan Kremlin
Historic citadel in Tatarstan
Wikipedia names Qazan Kremlin 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 Qazan Kremlin. Each title’s page links to the sentence that says so.
Bulat-BatırDrama film1928Commons