Itokazu Castle (糸数城, Itokazu jō, Okinawan: Ichukaji Gushiku) is a Ryukyuan gusuku in Nanjō, Okinawa.

[1] The castle was built in the Gusuku Period of Ryukyuan history.

After Nanzan was conquered in 1429 by Shō Hashi, it came under the control of the Ryukyu Kingdom.

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