Where was The Canterville Ghost (1996) filmed?
1996 film
The Canterville Ghost (1996) was filmed in Stevenage, Knebworth and Knebworth House, 3 places named in its Wikipedia article, in 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.
Places per Wikipedia's article
The Wikipedia article names 3 places. Each links to the sentence that says so.
Also shot in these places
The King's SpeechBiographical film2010
BatmanThriller film1989
Paddington 2Adventure film2017

