Okinawa Island is the largest of the Ryukyu Islands, and is home to Naha, the capital of Okinawa Prefecture. The island has an area of 1,201.03 square kilometers (463.7 square miles).
During the American occupation of Japan, following the Imperial Japanese surrender after WW II, the United States controlled Okinawa Island, which remained under U.S. governance until June 17, 1972.