Landscapes & nature
Marne
River in France
Wikipedia names Marne as where 2 films and series were filmed; each title’s page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Marne. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Langres
France · 5 km north
Commune in Haute-Marne, France
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Towns & cities
Poinson-lès-Grancey
France · 30 km south-west
Commune in Haute-Marne, France
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Streets & squares Chaumont Viaduct
France · 37 km north-west
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Towns & cities
Recey-sur-Ource
France · 37 km west
Commune in Côte-d'Or, France