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Micronesia, Federated States of

Yap (also known as Wa'ab) is located in Yap State of the Federated States of Micronesia. The island of Yap actually consists of four islands joined by a common coral reef. The land is mostly rolling hills densely covered with vegetation. Mangrove swamps line much of the shore. An outer barrier reef surrounds the islands and is visible in this space shuttle photograph. The state has a total land area of 102 sq km (39 sq mi). Image courtesy of NASA.