The Oki Islands, (Oki-shotō |隠岐諸島|} are a group of four islands located in the Sea of Japan, located to the north of Shimane Prefecture, with a population of ~ 21500 people. * Dōgō |島後|is the largest of the Oki Islands. It is also known as Okinoshima-cho (隠岐の島町), a merging of the main towns Goka (五箇), Fuse (布施), Saigo (西郷), and Tsuma (都万). It is located north-east of the Dōzen Islands. Dōgō's population, as of 31st December 2012 is ~ 15400 * Dōzen |島前| is comprised of three islands: