A lokacin rani na 1940, an tura rundunar tare da Rundunar "Lancieri di Milano" (7th) da Rundunar "Cavalleggeri Guide" (19th), zuwa Italiya ta Albania don mamayewar Benito Mussolini na Girka. Runduna uku sun kafa Ƙungiyar Coastal Fast ("Raggruppamento Celere del Litorale") a kan iyakar dama na gaban Italiya. A ranar 28 ga watan Oktoba na shekarar 1940
An fara kai hare-haren Italiya, amma da sauri ya zama bala'i na soja. A ranar 10 ga 1940 Aosta ya tsallaka layin abokan gaba don kai hari kan ɗakunan ajiya na Girka a Paramythia, wanda aka ba wa rundunar kyautar War Cross of Military Valour. Bayan dawowarsa zuwa layin Italiya, rundunar ta yi amfani da sauran yakin a kan tsaro har sai Nazi Jamus ta Wehrmacht ta mamaye Yugoslavia da Girka. Bayan da Jamus ta ci nasara a Girka, Aosta ya kasance a aikin aiki a Athens da Piraeus.