Where was Ivanhoe (1913) filmed?
1913 film by Herbert Brenon
Ivanhoe (1913) was filmed in Chepstow and Chepstow Castle, 2 places named in its Wikipedia article's Filming section, 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 Filming section
Wikipedia’s Filming section names 2 places. Each links to the sentence that says so.

