Where was Wendy filmed?
2020 film directed by Benh Zeitlin
Wendy (2020) was filmed in Montserrat, Antilles and Antigua, 3 places named in its Wikipedia article, in Antigua and Barbuda, 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.

