The series was filmed in Ireland, not in Switzerland as the events of the film. Principal photography took place at Killruddery Estate, which was also used for the series The Tudors and the film The Turning (2020).

Filming locations:

Alfea School of Magic

In the movie

In reality

The scene was filmed at This magnificent 17th-century country estate is located on the outskirts of Bray, south of Dublin. However, it is not entirely natural filming; some objects on the estate were added using graphics.

Waterfall

In the movie

In reality

The scene was filmed at Powerscourt Waterfall is a tourist attraction with beautiful gardens and a magnificent mansion located near Enniskerry (County Wicklow). The Stonehenge-style stone circle is a set built nearby for filming.