Ogasawara Islands


World Heritage Identification Number: 1362

World Heritage since: 2011

Category: Natural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇯🇵 Japan

Continent: Asia

UNESCO World Region: Asia and the Pacific

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Ogasawara Islands: A Biodiverse Archipelago in the Pacific Ocean

The Ogasawara Islands, officially recognized as a UNESCO World Heritage Site since 2011, constitute a unique and captivating collection of over 30 subtropical and tropical islands scattered across the Pacific Ocean. Situated approximately 1,000 kilometers south-southeast of Tokyo and 1,600 kilometers northwest of Guam, this remote Japanese archipelago offers a diverse array of landscapes and thriving ecosystems that harbor a remarkable assortment of flora and fauna.

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UNESCO Description of the World Heritage Site

The property numbers more than 30 islands clustered in three groups and covers surface area of 7,939 hectares. The islands offer a variety of landscapes and are home to a wealth of fauna, including the Bonin Flying Fox, a critically endangered bat, and 195 endangered bird species. Four-hundred and forty-one native plant taxa have been documented on the islands whose waters support numerous species of fish, cetaceans and corals. Ogasawara Islands' ecosystems reflect a range of evolutionary processes illustrated through its assemblage of plant species from both southeast and northwest Asia, alongside many endemic species.

Encyclopedia Record: Bonin Islands

The Bonin Islands, also known as the Ogasawara Islands , is 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 2,560 as of 2021. Administratively, Tokyo's Ogasawara Subprefecture also includes the settlements on the Volcano Islands and the Self-Defense Force post on Iwo Jima. The seat of government is Chichijima.

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Additional Site Details

Area: 7,939 hectares

UNESCO Criteria: (ix) — Outstanding example representing ecological and biological processes

Coordinates: 27.7183333333 , 142.0997222222

Image

Image of Ogasawara Islands

Unknown, Public domain

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Country Information: Japan

Flag of Japan

Official Name: Japan

Capital: Tokyo

Continent: Asia

Population (2024): 123,975,371

Population (2023): 124,516,650

Population (2022): 125,124,989

Land Area: 364,500 sq km

Currency: Japanese yen (JPY)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Ogasawara Islands are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Bonin Islands, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

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