Where was Io filmed?

2019 film directed by Jonathan Helpert

Io (2019) was filmed in Sofia, Nice, Santa Monica, French Riviera and plateau de Calern, 5 places named in its Wikipedia article, in the United States, France, Bulgaria. 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.

See them on the map → Wikipedia Source data