In the middle part are the four groups of palace buildings named, from west to east, the Dusit Maha Prasat, the Chakri Maha Prasat, the Maha Monthian and the Boromaphiman Hall. The back part is a residential area formerly used by the queens, consorts, other members of the royal family, and ladies of the court. Now it is occupied by some royal household members and their children.