Where was King of Hearts filmed?

1966 film directed by Philippe de Broca

King of Hearts (1966) was filmed in Senlis, 1 place named in its Japanese Wikipedia’s 製作 section, in France. 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.

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Places per Japanese Wikipedia's 製作 section

Japanese Wikipedia’s 製作 section names 1 place. Each links to the sentence that says so.

Also shot in these places