Individual #Okinawa  the largest island of the central Ryukyu Islands
  instance of:  island
  part:  Okinawa_campaign  Naha_City
  part of:  Ryukyu_Islands  a chain of 55 islands in the western Pacific southwest of Japan (returned by United States to Japan in 1972)
     part of:  Japan__Nippon__Nihon  a constitutional monarchy occupying the Japanese Archipelago; a world leader in electronics and automobile manufacture and ship building
        part of:  Asia  the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations
           part of:  Eurasia  the land mass formed by the continents of Europe and Asia
              part of:  eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
              part of:  northern_hemisphere  the hemisphere north of the equator

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