Where was The Devil's Bath filmed?

2024 film by Severin Fiala and Veronika Franz

The Devil's Bath (2024) was filmed in Lindlar, Litschau, Neuenburg Castle, Burg Neuenberg and Scheel, 5 places named in its Wikipedia article, in Germany, Austria. 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.