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.
Kyushu Kyushu or Kiushu (九州 , Kyūshū / Kyūsyū ) is the third biggest island of Japan and most southwesterly of its four main islands. Its alternative ancient names include Kyūkoku (九国, "Nine States") , Chinzei (鎮西, "West of the Pacified Area") , and Tsukushi-no-shima (筑紫島, "Island of Tsukushi") . The historical regional name Saikaidō (西海道 , lit. West Sea Circuit) referred to Kyushu and its surrounding islands.