Landscapes & nature
Ivankovo Reservoir
Reservoir in Tver and Moscow Oblasts, Russia
Wikipedia names Ivankovo Reservoir 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 Ivankovo Reservoir. Each title’s page links to the sentence that says so.
Volga-VolgaComedy film1938Commons