沖縄県 (okinawa-ken), which is "Okinawa Prefecture", omitting the last Kanji 県 (ken) makes it 沖縄 (okinawa).
Okinawa is an island
Okinawa is a part of Japan so yes, Okinawa was in WWI.
Okinawa is in northern hemisphere.
Okinawa is in Japan not China.
is there a military cemetery in okinawa
Okinawa no Kaze was created in 2001.
Okinawa Expressway was created in 1975.
Okinawa Rail was created in 1981.
Okinawa University was created in 1961.
Okinawa Island's population is 1,384,762.
Okinawa Monorail was created in 2003.