08°40′00″N 150°00′00″E / 8.66667°N 150.00000°ENamonuito Atoll, also called Namonweito, Weito, or Magur Islands, is the largest atoll of the Federated States of Micronesia and of the Caroline Islands with a total area of 2,267 square kilometres (875 square miles), unless one considers the still larger Chuuk (Truk) Lagoon as a type of atoll in an early stage of development. In Micronesia, only Kwajalein Atoll of the Marshall Islands is still larger.
Namonuito Atoll lies in the northwestern region (Oksoritod) of Chuuk State, the largest federal state of the Federated States of Micronesia, about 170 kilometres (110 miles) northwest of Chuuk Lagoon (measured from Pisaras Islet to the northern and western parts of the fringing reef of Chuuk Lagoon. It is roughly triangular in shape, with the base running 82 kilometres (51 miles) along its southern side.
