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, 300 km (190 mi) south of the next southerly atoll, Nukuoro, and 740 km (460 mi) southwest of the main island of Pohnpei state; it forms a Polynesian outlier.