Where was Yoyo filmed?

1965 film by Pierre Étaix

Yoyo (1965) was filmed in Château Porgès de Rochefort-en-Yvelines, 1 place named in its French Wikipedia’s Autour du film 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 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.