- The Federated States of Micronesia (/ˌmaɪkroʊˈniːʒə/; abbreviated FSM), or simply Micronesia, is an island country in Micronesia, a subregion of Oceania. The federation consists of four states—from west to east: Yap, Chuuk, Pohnpei, and Kosrae—that span across the western Pacific just north of the equator, for a longitudinal distance of almost 2,700 km (1,700 mi). Together, the states comprise around 607 islands and a combined land area of approximately 702 km2 or 271 sq mi.
