Oceania -- See Also the narrower term Micronesia Here are entered works on the division of Oceania which consists of Guam, the Trust Territory of the Pacific Islands, Nauru, and the Gilbert Islands. Works on the Trust Territory of the Pacific Islands, which consists of the island groups of the Marianas (except Guam), the Carolines, and the Marshalls, are entered under Pacific Islands (Trust Territory). Works on the Federated States of Micronesia, which consists of the four administrative districts of Truk, Yap, Pohnpei, and Kosrae, are entered under Micronesia (Federated States).