Carballeda de Avia is a municipality in the Province of Ourense in the Galicia region of north-west Spain. It is located to the west of the province, 5.7 kilometres (3.5 mi) northwest of Ribadavia off the A-52 road. As of 2012 it had a population of 1487 people. It is a wine producing area with about 3000 hectares dedicated to vineyards, some of which are at an altitude of 479 metres (1,572 ft). River valleys in the municipality include the Miño, Avia, Arnoia and Barbantiño.