Kapingamarangi is an atoll and a municipality in the state of Pohnpei of the Federated States of Micronesia. It is by far the most southerly atoll or island of the country and of the Caroline Islands, 300km (190mi) south of the next southerly atoll, Nukuoro, and 740km (460mi) southwest of the main island of Pohnpei state; it forms a Polynesian outlier.