Dairi was located on the north side of 'Chodoin' which was the central government of the palace, surrounded by tsuijibei (a roofed mud-wall), and the inner palace was located on the north side and Shishinden (the Hall for State Ceremonies) which was the emperor's state affairs office (Seimusho) and Seiryoden which was the center of daily life were located on the south side inside the dairi.
内裏は、宮城の中央政庁である「朝堂院」の北側に位置し、周囲を築地塀に囲まれ、その内部は北側に後宮、南側に天皇の政務所である紫宸殿や日常生活の中心地である清涼殿などがあった。