国史跡・根城の広場

日本100名城のひとつ。南北朝時代に南部師行（なんぶもろゆき）が築城し、八戸統治の拠点とした「根城」の安土桃山時代の姿を復原し、中世の平城の面影を伝える貴重な史跡である。

National Historic Site "Nejo Castle"
In 1334, Nanbu Moroyuki, the lord of Nanbu Clan, built the castle at Nejo in what is now Hachinohe City. He came to Hachinohe area all the way from Kai Province, the current Nanbu Town in Yamanashi Prefecture. Nejo Nanbu Clan lived in this castle for about 300 years until 1627, when the first lord Moroyuki's descendant was relocated to the current Tono City in Iwate Prefecture. In 1941, this precious medieval castle was designated as a national historic site. In October 1994, some buildings dating back to Azuchi-Momoyama Period (about 400 years ago) were reconstructed on the main enclosure of the site.
This castle stands on a plain, covering the area of about 180,000 square meters, and consists of some enclosures such as Honmaru, Naka-date, Tozenji-date, etc. Based on the excavations of Honmaru, some buildings including main structure, workshops, thatched storerooms, and stables were faithfully reconstructed. The architectural style of Azuchi-Momoyama Period can be seen. It is designated as one of Japan’s major 100 castles.