The Three Musketeers filmed at Schloss Petronell, Petronell-Carnuntum. Disbanded guards give up their arms and tabards at this moated castle, the musketeers' Paris headquarters. On screen it's Musketeers' headquarters in Paris.
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 Petronell-Carnuntum and it tells you what was shot around you, how to get there, and whether you can actually go in.
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