The Three Musketeers: The Queen's Diamonds filmed at Palacio Real de Aranjuez, Aranjuez. The royal palace stands in for a French court, hosting a roundabout ride, a chess game with dogs and D'Artagnan's appointment. On screen it's Versailles court.
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 Aranjuez and it tells you what was shot around you, how to get there, and whether you can actually go in.
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