Where was Wrong Connection filmed?

1978 film by Viktor Tregubovich

Wrong Connection (1978) was filmed in Nizhnekamsk, 1 place named in its Wikipedia article's Production section, 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 Production section

Wikipedia’s Production section names 1 place. Each links to the sentence that says so.