Pohnpei "upon ("pohn") a stone altar ("pei")" (formerly known as Ponape or Ascension, Proto-Chuukic-Pohnpeic: "*Fawo ni pei") is an island of the Senyavin Islands which are part of the larger Caroline Islands group. It belongs to Pohnpei State, one of the four states in the Federated States of Micronesia (FSM). Major population centers on Pohnpei include Palikir, the FSM's capital, and Kolonia, the capital of Pohnpei State. Pohnpei Island is the largest (), with a highest point (), most populous (36,196 people), and most developed single island in the FSM.