Where was How I Ended This Summer filmed?

2010 film by Alexei Popogrebski

How I Ended This Summer (2010) was filmed in Chukchi Peninsula, Chaunskaya Bay, Shelagsky Cape, Valkarkay and Valkarkaj, 5 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 5 places. Each links to the sentence that says so.