While the FSM's total land area is quite small, amounting to approximately 702 km2 (271 sq mi), it occupies more than 2,600,000 km2 (1,000,000 sq mi) of the Pacific Ocean. The capital is Palikir, located on Pohnpei island, the largest city being Weno, part of Chuuk.
Each of its four states is centered around one or more main high islands, and all but Kosrae include numerous outlying atolls. The Federated States of Micronesia is spread across part of the Caroline Islands in the wider region of Micronesia, which consists of thousands of small islands divided between several countries. The term Micronesia may refer to the Federated States or to the region as a whole.