Based on the description of the Nihon Shoki, the palace is estimated to have had the 'south gate' and the 'Imperial Court' with several 'cho' agencies Shodaibu (lower aristocracy) worked for, on the north side of the gate.
日本書紀の記述からこの宮の構造は、南に「南門」を構えその北に諸大夫の勤する「庁」が並ぶ「朝庭」が広がっていたと推測される。