Where was Young Winston filmed?

1972 film directed by Richard Attenborough

Young Winston (1972) was filmed in London, Marrakech, Swansea, Blenheim Palace, Aldershot, Brecon Beacons and 2 more places, 8 places named in its Wikipedia article, in Morocco, the United Kingdom. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

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