Sandiás is a municipality of Galicia, Spain, next to Xinzo de Limia in the province of Ourense. Its estimated population is 1,585, distributed a…Sandiás is a municipality of Galicia, Spain, next to Xinzo de Limia in the province of Ourense. Its estimated population is 1,585, distributed among 3 parishes. Its area is 53 km, a great part of which is drained fields from the Antela lagoon. This is an agricultural area. Potatoes and cereals are the most important crop. Sand extractions are also important for local development.