Prince Vladimir

Prince Vladimir is a 2006 Russian traditionally-animated feature film. It is loosely based on the story of prince Vladimir the Great, who converted Kievan Rus' to Christianity in the late 10th century. The film tells a romanticized version of the story, adapted for children and filled with fantasy elements.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.