What is "sorol"

Sorol is a coral atoll of nine islands in the central Caroline Islands in the Pacific Ocean, and forms a legislative district in Yap State in the Federated States of Micronesia. Sorol is located approximately south of Ulithi and southeast of the island of Yap. The population of Sorol was 215 in 2000. Sorol is a municipality with the state of Yap although its population has been listed together with that of Fais in some statistical publications.