WWII Battle Sites include Okinawa, Stlo, and Iwo Jima. Okinawa was a major battle site in the Pacific Theater of World War II, located on the Ryukyu Islands in Japan. It was the largest amphibious assault in the Pacific War and resulted in a decisive victory for the United States. Stlo was a battle site in France during World War II. It was the first major Allied offensive against German forces on the Western Front and resulted in a decisive victory for the Allies. Iwo Jima was a battle site in the Pacific Theater of World War II, located on an island in the Volcano Islands chain of Japan. It was the site of one of the bloodiest battles of the war and resulted in a victory for the United States.