Viveiro (Galician pronunciation: [biˈβejɾo]) is a town and municipality in the province of Lugo, in the northwestern Galician autonomous community of Spain. It borders on the Cantabric Sea, to the west of Xove and to the east of O Vicedo. It has a residential population of over 16,000 (2010 figures), which however triples in the summer months with visitors to the coastal region.