Sonsorol (Japanese: ソンソロール州) is one of the sixteen states of Palau. The administrative center, and only village, is Dongosaru on Sonsorol island. The inhabitants speak Sonsorolese, a local Trukic language, and Palauan.


Location of Sonsorol in Palau
Country Palau
  Total3.12 km2 (1.20 sq mi)
  Land3.12 km2 (1.20 sq mi)
  Water0 km2 (0 sq mi)
  Density13/km2 (35/sq mi)
ISO 3166 codePW-370

The islands of the state of Sonsorol, together with the islands of Hatohobei, form the Southwest Islands of Palau.

The state is subdivided into four municipalities, which correspond to the four individual islands, that were previously inhabited. The islands are, from north to south (Fanna Island and Sonsorol Island are together called Sonsorol Islands):

Village (or Former)Area
est. 2014
1Fanna-0.48005°21′09″N 132°13′32″E
2SonsorolDongosaru1.314205°19′28″N 132°13′16″E
3Pulo Anna0.42004°39′34″N 131°57′49″E
4Merir0.91004°19′27″N 132°18′37″E
State of SonsorolDongosaru3.1242 



Fanna, also called Fana, is encircled by a coral reef extending 160 to 480 m offshore, and nearly circular in shape, with a diameter of 350 m. The island is thickly wooded with coconut palms and other trees. The island is referenced as a municipality. Mariano Carlos was serving as chief from 2000 until the Typhoon Bopha evacuation. Fanna Island and nearby Sonsorol Island 1.6 km further south together form the Sonsorol Islands.


Sonsorol Island, also called Dongosaro or Dongosaru, is encircled by a coral reef extending 160 to 480 m offshore. It is 2 km long north south, and up to 890 m wide in the north. It is located 1.6 km south of Fanna Island. The village of Dongosaro, which is the capital of the state, is located on the west coast. The island is thickly wooded with coconut palms and other trees. Together with Fanna, it forms the Sonsorol Islands.

Sonsorol was probably the first of Palau islands visited by a European - the Jesuit expedition of Francisco Padilla on 30 November 1710. A year after Typhoon Bopha, Palau government issued a reconstruction plan to this island, and also built a small dock.

Pulo Anna

Pulo Anna or Puro is fringed by a coral reef extending beyond 460 m offshore. The island itself is about elliptical and measures 800 meters northeast-southwest, and is up to 550 meters wide. A village named Puro was once on the northwest side of the island. Pulo Anna lies in the flow of the Equatorial Countercurrent throughout the year.


Merir Island, or Melieli, is fringed by reef which extends beyond 1100 m offshore in the south and 160 m in the north. The edges of the reef are steep-to, except at the northern end where a spit, with a depth of 12.8 meters at its outer end, extends about 1300 meters northward. The island itself is 2.200 meters north south, and up to 600 meters wide. A village named Melieli, which had a radio station, was located on the northwest side of the island.


The first sighting by Europeans of the Sonsorols, was that of Sonsorol and Fanna by the Spanish ship Trinidad then commanded by Gonzalo Gómez de Espinosa on 6 May 1522.[1][2] These two were collectively charted as San Juan islands (St.John) as they were sighted on the day of its festivity. A Spanish missionary expedition commanded by Sargento Mayor Francisco Padilla arrived to Sonsorol on 30 November 1710, coming from Manila on board of patache Santísima Trinidad. In 1712 they were explored by an expedition commanded by Spanish naval officer Bernardo de Egoy[3]

During December 2012, the state suffered severely from Typhoon Bopha and people were evacuated to Akebesang in Koror. There were 37 people from Sonsorol, 19 from Pulo Anna and 2 from Merir. A couple of months later, and due to government decision, only Sonsorol was re-inhabited (cheaper and closer to get to and send supplies). 42 people have returned to the island, and it is the only inhabited island in the state (as of 2014).


The Ministry of Education operates public schools.

Schools in the state:

  • Pulo Anna Elementary School - Pulo Anna - Built in 1972, it has one classroom and one teacher[4]
  • Sonsorol Elementary School - Sonsorol - Established in 1972, it has one classroom and one teacher[5]

Palau High School in Koror is the country's only public high school, so children from this community go there.[6]


  1. Brand, Donald D. The Pacific Basin: A History of its Geographical Explorations The American Geographical Society, New York, 1967, p.119.
  2. Sharp, Andrew The discovery of the Pacific Islands Oxford, 1960, p.10.
  3. Coello, Francisco "Conflicto hispano-alemán" Boletín de Sociedad Geográfica de Madrid, t.XIX. 2º semestre 1885, Madrid, p.247
  4. "Pulo Anna Elementary School." Ministry of Education (Palau). Retrieved on February 22, 2018.
  5. "Sonsorol Elementary School." Ministry of Education (Palau). Retrieved on February 22, 2018.
  6. "About." Palau High School. Retrieved on February 22, 2018.
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