Itokazu Castle 糸数城
Nanjō, Okinawa
Ruins of Itokazu Castle
Itokazu Castle 糸数城 Show map of Okinawa Prefecture Itokazu Castle 糸数城 Show map of Japan
Coordinates	26°9′5″N 127°45′45″E / 26.15139°N 127.76250°E / 26.15139; 127.76250
Type	Gusuku
Site information
Controlled by	Nanzan (14th century–1429)  Ryūkyū Kingdom (1429–1879)  Empire of Japan (1879–1945) United States Military Government of the Ryukyu Islands(1945-1950) United States Civil Administration of the Ryukyu Islands(1950-1972)  Japan(1972-present)
Open to the public	yes
Condition	Ruins
Site history
Built	Mid-14th century
Materials	Ryukyuan limestone, wood
Garrison information
Occupants	Aji of Tamagusuku Magiri

Itokazu Castle (糸数城, Itokazu jō, Okinawan: Ichukaji Gushiku) is a Ryukyuan gusuku in Nanjō, Okinawa. It was built with Ryūkyūan limestone in the mid-14th century. It is now in ruins.^[1]

History

The castle was built in the Gusuku Period of Ryukyuan history. It was the home of the Aji of Tamagusuku Magiri. After Nanzan was conquered in 1429 by Shō Hashi, it came under the control of the Ryukyu Kingdom.