Where was Dom Juan filmed?

1965 television film

Dom Juan (1965) was filmed in Royal Saltworks at Arc-et-Senans, Château de Chantilly and Hardelot-Plage, 3 places named in its French Wikipedia’s Commentaires 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.

See them on the map → Source data

Places per French Wikipedia's Commentaires section

French Wikipedia’s Commentaires section names 3 places. Each links to the sentence that says so.