The Ogasawara Islands World Natural Heritage Site includes Mukojima Islands, Chichijima Islands, Hahajima Islands, and part of Volcano Islands, also known as Iwo Islands, (Kitaiowjima, Minamiiwo, and Nishinoshima). For Chichijima Islands and Hahajima Islands, land areas excluding existing human settlements, as well as part of the surrounding oceanic areas, are included in the site.
