It was formed in November 1940 for service in the Greco-Italian War, and after the German invasion of Greece and the capitulation of that country in April 1941, assumed occupation duties in the Greek mainland.

It remained on station in Greece until the Armistice of Cassibile on 8 September 1943, when it was forcibly disbanded by the Germans.

Grecia), with responsibility over mainland Greece (apart from the German and Bulgarian zones in northern Greece and the German zone in eastern and southern Attica), as well as the island of Euboea, the Northern Sporades and Skyros, and Kythera.

[1] The remainder of the Ionian Islands came under the Higher Armed Forces Command Albania (Ninth Army), while the Italian Dodecanese, the Italian-occupied Lasithi Prefecture on Crete and the bulk of the Cyclades came under the Higher Armed Forces Command of the Italian Islands of the Aegean at Rhodes.

[2] In April 1943, an assessment of the combat readiness of the Eleventh Army's eight remaining divisions in terms of armament and means of transport found only one—the 11th Infantry Division Brennero—as "complete", with three more "effective" (over 70% of pack animals and 70% to 90% of vehicles from the table of organization and equipment) and the rest "incomplete" (with figures of completeness around 60%).