Xirovouni (Greek: Ξηροβούνι) is a former municipality in the Arta regional unit, Epirus, Greece. Since the 2011 local government reform it is part of the municipality Arta, of which it is a municipal unit.[2] The municipal unit has an area of 123.634 km2.[3] Population 2,854 (2021). The seat of the municipality was in Ammotopos.