Nikki Castle (Nukata)




Ashikaga Yoshiuji, the third son of Ashikaga Yoshikane, became governor of Mikawa Province following the Jōkyū War in 1221. His grandson, Ashikaga Sanekuni, established a residence in Nikki and founded the Nitsuki Clan. During the Ashikaga Shogunate, the Nitsuki Clan, despite being a very junior cadet branch of the Ashikaga, rose to prominence due to capabale leadership, and its patriarchs took on the governorship of various provinces, including Iga Province. However, their influence waned, and they disappeared from the historical record after being defeated by the Tsuge Clan of Iga Province in the early 16th century. There is a belief that Sakakibara Yasumasa, one of Tokugawa Ieyasu's top generals, was a descendent of the Nitsuki.

Visit Notes

Nikkijō is a fortified manor hall site in Nikki Township, Okazaki Municipality. It is now the site of a shrine to Hachiman. An old well can be found at the shrine, and there are earth-piled embankments surrounding it, but whether these are ruins of the residence has not been confirmed.

Note: this Nikkijō is located in historical Nukata County (analogous to Okazaki Municipality) and is not to be confused with another site of the same name in Kamo County (analogous to Toyota Municipality), both in Mikawa Province / Aichi Prefecture.


Castle Profile
English Name Nikki Castle (Nukata)
Japanese Name 額田仁木城
Founder Ashikaga Sanekuni
Year Founded 13th Century
Castle Type Fortified Manor
Castle Condition Ruins only
Historical Period Pre Edo Period
Visitor Information
Access 'Hello Cycling' bicycles are available in downtown Okazaki
Visitor Information 24/7 free; shrine
Time Required 10 minutes
Location Okazaki, Aichi Prefecture
Coordinates 35° 1' 8.00" N, 137° 9' 57.42" E
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Added to Jcastle 2024
Contributor ART
Admin Year Visited Viewer Contributed
Friends of JCastle
Jōkaku Shashin Kiroku
Aichi Shiro

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