Where was Arsene Lupin vs. Arsene Lupin filmed?

1962 film directed by Édouard Molinaro

Arsene Lupin vs. Arsene Lupin (1962) was filmed in Paris and Billancourt Studios, 2 places named in its Wikipedia article, 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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