Johnston Atoll (16°45'N., 169°31'W.) (World Port Index No. 56325), a possession of the United States, consists of four islets that lie on a reef about 9 miles long in a NE SW direction. Johnston Island, the largest island, lies about 2 miles inside the SW end of the reef. Sand Island (16°45'N., 169°31'W.) and Hikina Island lie about 1 and 2 miles NE, respectively, of Johnston Island; Akau Island is about 1 mile N of Sand Island.

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