The Mountain Artillery Group "Udine" is an inactive mountain artillery group of the Italian Army, which was based in Vacile in Friuli-Venezia Giulia. The group was formed on 1 February 1915 by the Royal Italian Army's 2nd Mountain Artillery Regiment and served with the regiment during World War I on the Italian front. In World War II the group was assigned to the 3rd Alpine Artillery Regiment "Julia", with which it participated in the invasion of France and the Greco-Italian War. In summer 1942 the 3rd Alpine Artillery Regiment "Julia" was transferred to the Soviet Union, where it was destroyed in winter 1942–43 during the Soviet Operation Little Saturn. The remnants of the regiment were repatriated in spring 1943 and invading German forces disbanded the regiment and its groups after the announcement of the Armistice of Cassibile on 8 September 1943.

The 3rd Field Artillery Regiment (Mountain) (Italian: 3° Reggimento Artiglieria Terrestre (montagna)) is a field artillery regiment of the Italian Army, specializing in mountain warfare. The regiment is based in Remanzacco in Friuli-Venezia Giulia and assigned to the Alpine Brigade "Julia". The regiment was formed in 1909 by the Royal Italian Army as 2nd Mountain Artillery Regiment. In World War I the regiment's groups and batteries served on the Italian front.