Filming of the series took place in Ireland, rather than the storyline - in Switzerland. Principal shooting took place at Killruddery Estate, where The Tudors and The Turn (2020) were also filmed.
Locations
Alfea school for fairies
Scene was shot This magnificent 17th century country estate is located on the outskirts of Bray, south of Dublin. But these are not entirely natural shootings, some of the objects for the estate were completed using graphics.
Real
In movie
Waterfall
Scene was shot Powerscourt Falls is a tourist attraction with beautiful gardens and a magnificent mansion located near Enniskerry, County Wicklow. Stonehenge-style stone circle is a set built nearby for filming.