How many volumes were held by library serving the southernmost prefecture of Japan in 2016?
Naha Naha (那覇市 , Naha-shi , ]) is the capital city of Okinawa Prefecture, the southernmost prefecture of Japan.
Western Tokyo Western Tokyo, also known as the Tama area (多摩地域 , Tama chiiki ) , Tama region (多摩地方 , Tama-chihō ) or "toka" (都下 ) , consists of the part of Tokyo Prefecture to the west of the 23 special wards.