Where was Chori Chori Chupke Chupke filmed?
2001 film by Abbas Alibhai Burmawalla, Mastan Alibhai Burmawalla
Chori Chori Chupke Chupke (2001) was filmed in Engelberg and Titlis, 2 places named in its German Wikipedia’s Hintergrund section, in Switzerland. 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 Hintergrund section
German Wikipedia’s Hintergrund section names 2 places. Each links to the sentence that says so.

