The largest building of the was the , a building reserved for official functions. It was a rectangular hall measuring approximately 30 m (98 ft) east to west and 25 m (82 ft) north to south, and situated along the median north-south axis of the , overseeing a rectangular courtyard and facing the gate. A orange tree and a cherry blossom tree stood symmetrically on both sides of the front staircase of the building. The courtyard was flanked on both sides by smaller halls connected to the , creating the same configuration of buildings (influenced by Chinese examples) that was found in the aristocratic style villas of the period.