Hōzuki Castle

, also known as the, is a criminal containment facility located in Kusagakure, that appears in Naruto 5: Blood Prison. Its is Mui, who uses the ultimate imprisonment technique to seal the abilities of his prisoners. Naruto Uzumaki was sent here after he being falsely accused of attempting to assassinate the Fourth Raikage, and killing jōnin from both Kirigakure and Iwagakure.