Where was In the Grey filmed?
2026 film directed by Guy Ritchie
In the Grey (2026) was filmed in Santa Cruz de Tenerife, San Andrés and Plaza de la Candelaria, 3 places named in its Wikipedia article, in Spain. 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.

