Where was Line of Demarcation filmed?

1966 film by Claude Chabrol

Line of Demarcation (1966) was filmed in Dole, Belmont, Chissey-sur-Loue, Port-Lesney, Pagnoz and Forest of Chaux, 6 places named in its Wikipedia article, in France. Wikidata itself records the shoot only as Jura. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per Wikipedia's article

The Wikipedia article names 6 places. Each links to the sentence that says so.

Recorded only at country level

Also filmed in Jura, but the exact places are not known, so they are not on the map.

Filming locations that are mapped there: France