Brideshead Revisited filmed at Palazzo Contarini Polignac, Venice. Lord Marchmain's villa is this late 15th-century palazzo on the Grand Canal, alongside the Accademia. On screen it's Lord Marchmain's villa.

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 Venice and it tells you what was shot around you, how to get there, and whether you can actually go in.
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