Where was Pearl in the Crown filmed?

1972 film by Kazimierz Kutz

Pearl in the Crown (1972) was filmed in Nikiszowiec and Wieczorek Coal Mine, 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