Bonin Islands The Bonin or Ogasawara Islands (Japanese: 小笠原群島, Ogasawara Guntō) are a Japanese archipelago of over 30 subtropical and tropical islands located around 1,000 kilometers (620 mi) SSE of Tokyo and 1,600 kilometers (1,000 mi) northwest of Guam.The group as a whole has a total area of 84 square kilometers (32 sq mi) but only two of the islands are permanently inhabited, Chichijima and Hahajima. Together, their population was 2560 as of 2021. Administratively, Tokyo's Ogasawara Subprefecture includes the Volcano Islands and the Self-Defense Force post on Iwo Jima. The seat of government is Chichijima.
