Where was The Immortal Heart filmed?

1939 film by Veit Harlan

The Immortal Heart (1939) was filmed in Hildesheim, Świnoujście, Rügen, Binz and Johannisthal, 5 places named in its German Wikipedia’s Hintergrund section, in Germany, 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

Places per German Wikipedia's Hintergrund section

German Wikipedia’s Hintergrund section names 5 places. Each links to the sentence that says so.