Towns & cities
Gray
Commune in Haute-Saône, France
Wikipedia names Gray 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 Gray. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Cheuge
France · 16 km west
Commune in Côte-d'Or, France
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Towns & cities
Devecey
France · 35 km south-east
Commune in Doubs, France
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Landscapes & nature
Jura Mountains
Switzerland · 39 km south-east
Mountain chain in Switzerland and France
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Towns & cities
Besançon
France · 39 km south-east
Commune in Doubs, France
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Towns & cities
Dole
France · 40 km south
Commune in Jura, France