Where was The City of the Dead filmed?
1960 film by John Llewellyn Moxey
The City of the Dead (1960) was filmed in Shepperton Studios, 1 place named in its French Wikipedia’s Autour du film section, in the United Kingdom. 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 French Wikipedia's Autour du film section
French Wikipedia’s Autour du film section names 1 place. Each links to the sentence that says so.