Ogasawara is located in the Pacific Ocean within the Bonin Islands chain about 600 miles south of Tokyo. It takes 25.5 hours on ship from Tokyo to Chichi-jima Island. The Bonin Islands chain are made up of four main island groups; Mukojima, Chichijima, Hahajima and Kazan Islands. Only Chichijima and Hahajima are inhabited. The population of islands are about 2,400. The climate of these islands are subtropical and the average temperatures are 74 degrees F.