Where was Wagner filmed?

1983 film directed by Tony Palmer

Wagner (1983–) was filmed in Vienna, Dublin, Venice, Siena, Neuschwanstein Castle, Herrenchiemsee and 2 more places, 8 places named in its Wikipedia article, in Austria, Italy, Ireland, Germany. 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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