Where was Wait for Me in Heaven filmed?
1988 film by Antonio Mercero
Wait for Me in Heaven (1988) was filmed in Valley of Cuelgamuros and Royal Palace of El Pardo, 2 places named in its Spanish Wikipedia’s Localizaciones de rodaje section, in 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 Spanish Wikipedia's Localizaciones de rodaje section
Spanish Wikipedia’s Localizaciones de rodaje section names 2 places. Each links to the sentence that says so.