Where was La Habanera filmed?
1937 film by Douglas Sirk
La Habanera (1937) was filmed in Puerto de la Cruz and Babelsberg Studio, 2 places named in its German Wikipedia’s Hintergrund section, in Germany, Spain. 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.
Recorded only at country level
Its Wikipedia article also says it was filmed in Puerto Rico, without naming a place, so it is not on the map.