Okinawa is a southern Prefecture in Japan, and it is a major part of the Ryukyu chain of islands.<ref>[http://en.wikipedia.org/wiki/Okinawa_Prefecture Okinawa Prefecture, en.Wikipedia.org]</ref> | Okinawa is a southern Prefecture in Japan, and it is a major part of the Ryukyu chain of islands.<ref>[http://en.wikipedia.org/wiki/Okinawa_Prefecture Okinawa Prefecture, en.Wikipedia.org]</ref> |