Location, Area, and Other Geographical Data of the Ogasawara Islands

  • Feb 26, 2025

The Ogasawara Islands are a group of islands scattered between 20°25' and 27°40' north latitude and 136°04' and 153°59' east longitude, with the largest island, Iwoto, covering 23.73 km2, followed by Chichijima with an area of 23.45 km2. (Ref. 1, 2)

The only two islands of Chichijima and Hahajima are inhabited by civilians. The remaining islands are all uninhabited except Iwoto and Minamitorishima where government workers such as the Self-Defense Force are stationed.

The location and area of the main islands are as follows.
The name of Island Longitude ※1 Latitude ※1 Area ※2
The Ogasawara Islands Chichijima Island Group Chichijima Island 27.09N 142.19E 23.45km2
Anijima Island 27.11N 142.21E 7.88km2
Ototojima Island 27.16N 142.19E 5.20km2
Hahajima Island Group Hahajima Island 26.64N 141.16E 19.88km2
Anejima Island 26.55N 142.16E 1.43km2
Imotojima Island 26.56N 142.21E 1.23km2
Mukojima Island Group Mukojima Island 27.68N 142.14E 2.56km2
Nakodojima Island 27.63N 142.18E 1.37km2
Kazan Island Group Iwoto Island 24.75N 141.29E 23.73km2
Kita-iwoto Island 25.44N 141.29E 5.56km2
Minami-iwoto Island 24.23N 141.47E 3.54km2
Okinotorishima Islands 20.43N 136.08E -
Minamitorishima Island 24.29N 153.98E 1.46km2