Where was The Letter for the King (2008) filmed?

2008 film by Pieter Verhoeff

The Letter for the King (2008) was filmed in Carcassonne, Eisenach, Vianden and Engelskirchen, 4 places named in its Wikipedia article, in France, Luxembourg, Germany. 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