The Battle of Troina took place between 31 July and 6 August 1943, a part of the Allied invasion of Sicily during World War II. Forces of the US II Corps, part of the US Seventh Army, engaged in fierce fighting around the town of Troina in the central portion of Sicily along the Caronie Mountains. The battle focused around the numerous hills and mountains surrounding Troina which the Germans had heavily fortified and used as bases for direct and indirect fire.