Where was The Constant Factor filmed?

1980 film directed by Krzysztof Zanussi

The Constant Factor (1980) was filmed in Łódź and Łódź Fabryczna railway station, 2 places named in its Polish Wikipedia’s Produkcja section, in Poland. 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