Where was The Apparition (2018) filmed?
2018 film directed by Xavier Giannoli
The Apparition (2018) was filmed in Gap, Palazzo Farnese and Zaatari refugee camp, 3 places named in its Wikipedia article's Production section, in Italy, France, Jordan. 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 Production section
Wikipedia’s Production section names 3 places. Each links to the sentence that says so.

