Ryukyu Islands Ryukyu Islands /ˌriːʊˈkuː ˈaɪləndz/

noun

1. A chain of 55 islands in the western Pacific to the to the southwest of Japan (returned by United States to Japan in 1972)  ( Ryukyu Islands )
   a chain of 55 islands in the western Pacific to the to the southwest of Japan (returned by United States to Japan in 1972)
    The Ryukyu Islands are known for their unique culture and biodiversity.
   The Ryukyu Islands are known for their unique culture and biodiversity.