Where was Her Highness the Saleswoman filmed?

1933 film directed by Karl Hartl

Her Highness the Saleswoman (1933) was filmed in Potsdam, Lake Constance, Lindau and Babelsberg Studio, 4 places named in its Wikipedia article, in Germany. 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.

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