Where was Große Freiheit Nr. 7 filmed?

1944 film by Helmut Käutner

Große Freiheit Nr. 7 (1944) was filmed in Berlin, Prague, Hamburg, Potsdam, Flensburg, Port of Hamburg and 5 more places, 11 places named in its Wikipedia article, in Germany, the Czech Republic. 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