The South Pacific Area (SOPAC) was a multinational U.S.-led military command active during World War II. It was a part of the U.S. Pacific Ocean Areas under Admiral Chester Nimitz. The delineation and establishment of the Pacific Ocean Areas was negotiated by the Allied governments of the United States, the United Kingdom, Australia, New Zealand, and the Kingdom of the Netherlands in March–April 1942 in response to the Japanese attacks in Southeast Asia and the Pacific. The South Pacific Area was bounded on the west by the Southwest Pacific Area, on the north by the Central Pacific Area, and on the east by the Southeast Pacific Area. It originally encompassed the Ellice, Phoenix, Marquesas, Tuamotu, Samoa, Fiji, and New Hebrides island groups plus New Caledonia and New Zealand. Its western