Hallow Bastion is a significant location in the Kingdom Hearts video game series. It serves as a central hub where various characters and storylines converge. The area is characterized by its gothic architecture and a blend of light and darkness, reflecting the ongoing battle between these forces. Originally known as Radiant Garden, Hallow Bastion is home to iconic characters like Mickey Mouse, Riku, and Kairi. The setting features a castle, a marketplace, and various landscapes, all of which play crucial roles in the game's narrative and gameplay mechanics.