The Adventures of Quentin Durward filmed at Château de Chenonceau, Amboise. The royal court scenes are filmed at this Loire château, whose gallery spans the river on arches. On screen it's Plessis-les-Tours.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Amboise and it tells you what was shot around you, how to get there, and whether you can actually go in.
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