The "Arezzo" Division took part in the Italian invasion of Albania in 1939. It was next involved in the Greco-Italian War in November 1940, as part of the Italian XXVI Corps and later Italian XXV Corps. Although it was used initially on Yugoslavian border as part of the 11th army reserve, the division used to oppose a Greek breakthrough at Mal Moravë - Mal Ivan line in Devoll river valley. The "Arezzo" losses were light until December, 1940. 29 November-3 December 1940 division have suffered a serious losses (the 225th Infantry regiment was decimated) while beating off the Greek assault. The "Arezzo" division was reformed and sent back to Albania, Korçë, as part of the occupation force within Italian IV Corps. 5 April 1941 it took part in the Invasion of Yugoslavia as part of the Librazhd Sector under command of Italian 9th army. In this role, it captured parts of Montenegro, and used as garrison in Zadar, Ersekë, Korçë and Pogradec. 29 January 1943, the division was reinforced by 343rd infantry regiment. The division remained in the area until the Armistice of Cassibile 8 September 1943. Following the Italian surrender to the Allies in September 1943, the division was disarmed by the Germans. A large number of the men escaped to join the partisans.