Castles & palaces
Fort Barraux
Wikipedia names Fort Barraux as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Fort Barraux. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Pontcharra
France · 2 km east
Commune in Isère, France
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Towns & cities
Saint-Vincent-de-Mercuze
France · 7 km south-west
Commune in Isère, France
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Castles & palaces Château de Carron
France · 8 km north-east
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Towns & cities Entremont-le-Vieux
France · 8 km west
Commune in Savoie, France
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Towns & cities
La Terrasse
France · 13 km south
Commune in Isère, France
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Landscapes & nature
Grésivaudan
France · 14 km south
Valley in France