Howl’s Moving Castle (2004), directed by Hayao Miyazaki, is a Japanese animated fantasy film based on the novel by Diana Wynne Jones. The story follows a young woman transformed by a curse who becomes involved with a mysterious wizard in a moving castle. The film explores themes of identity, war, and transformation.

Från IMDB:
When an unconfident young woman is cursed with an old body by a spiteful witch, her only chance of breaking the spell lies with a self-indulgent yet insecure young wizard and his companions in his legged, walking castle.