 Barbaira is located in the Corbières Massif, at the foot of Mount Alaric in the urban area of Carcassonne some 15 km east of the city.Access to the commune is by the D6113 road from Floure in the west which passes through the north of the commune and the village before continuing east to Capendu.The A61 autoroute passes through the centre of the commune from west to east but there is no exit in the commune.