Blue zone island of Japan (7)
I believe the answer is:
okinawa
(Other definitions for okinawa that I've seen before include "Japanese location" , "coral island" , "Island of S. Japan" , "battle!" , "Japanese island, capital Naha" .)
I believe the answer is:
okinawa
(Other definitions for okinawa that I've seen before include "Japanese location" , "coral island" , "Island of S. Japan" , "battle!" , "Japanese island, capital Naha" .)