Castles & palaces
Fort de Comboire
Fort near Grenoble, France
Wikipedia names Fort de Comboire 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 de Comboire. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Échirolles
France · 3 km east
Commune in Isère, France
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Landscapes & nature
Moucherotte
France · 3 km west
Mountain in France
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Towns & cities
Eybens
France · 6 km east
Commune in Isère, France
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Towns & cities Grenoble
France · 7 km north-east
Commune in Isère, France
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Towns & cities
Agglomération grenobloise
France · 7 km north-east
Human settlement in France
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Towns & cities Lans-en-Vercors
France · 7 km west
Commune in Isère, France