The Crown filmed at Moor Park, Rickmansworth. A Palladian mansion in Rickmansworth was one of several grand buildings combined to form the palace. On screen it's Buckingham Palace.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
Planning the trip? The United Kingdom travel atlas covers money, language and getting aroundand everything filmed in Rickmansworth is on one page
Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Rickmansworth and it tells you what was shot around you, how to get there, and whether you can actually go in.
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