Senkaku Islands /ˈsɛŋkɑːku ˈaɪləndz/ noun1 •A chain of islands in the Sakishima islands of Ishigaki, Okinawa prefecture, Japan, in the East China Sea (claimed by China and Toucheng Township, Yilan County, Taiwan (ROC)).There are, however, localities where small skipjack are caught throughout the year such as in the Senkaku Islands off Miyako. — 1950