Kogyo Higashi Gyoen
The Gokyo Higashi Garden is a garden on the east side of the Gokyo. It is under the jurisdiction of the imperial palace, and the Imperial Palace police are attached. It is located in Honma-maru, Ninomaru, Sannomaru of Iidai Castle, and includes some Nishinomaru parts. There are Japanese-style gardens, imperial related facilities, and buildings of Edo Castle. It was designated as a special historical site after the war, and has been open to the general public since 1968.