Where was Situation Hopeless... But Not Serious filmed?
1965 film by Gottfried Reinhardt
Situation Hopeless... But Not Serious (1965) was filmed in Mosbach and Neckarsteinach, 2 places named in its German Wikipedia’s Produktionsnotizen section, 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.
Places per German Wikipedia's Produktionsnotizen section
German Wikipedia’s Produktionsnotizen section names 2 places. Each links to the sentence that says so.

