Tonowas (or Tonoas), also known by its Spanish name of Dublon, is an

island An island (or isle) is an isolated piece of habitat that is surrounded by a dramatically different habitat, such as water. Very small islands such as emergent land features on atolls can be called islets, skerries, cays or keys. An island ...

in the Chuuk (formerly Truk)

lagoon A lagoon is a shallow body of water separated from a larger body of water by a narrow landform, such as reefs, barrier islands, barrier peninsulas, or isthmuses. Lagoons are commonly divided into ''coastal lagoons'' (or ''barrier lagoons'') ...

Federated States of Micronesia The Federated States of Micronesia (; abbreviated FSM) is an island country in Oceania. It consists of four states from west to east, Yap, Chuuk, Pohnpei and Kosraethat are spread across the western Pacific. Together, the states comprise a ...

. It has an area of 8.8 km² and the population was 3,200 at the time of the last census (1980). A narrow single-lane track rings the island, allowing land access to the small villages (Nechap, Kuchua, Sangku, Enin, Yongku and the island of Etten) Five schools and Japanese military ruins, which include the remains of a seaplane anchorage and large fuel storage tanks. A Japanese administrative center dating from the 1920-1930s mandate period can still be found, and is currently used as a government building. Dublon Island, Chuuk, Micronesia

Dublon was a headquarters for the

Imperial Japanese Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor o ...

(IJA) during the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...

. The Japanese name for the island was Natsu Shima (or Natsushima), which means "Summer Island." An underground bunker housing the IJA's headquarters facilities is listed on the United States

National Register of Historic Places The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance or "great artistic ...

External links

Directory of the islands of Micronesia
Islands of Chuuk State Municipalities of Chuuk State {{Micronesia-geo-stub