High Quality Content by WIKIPEDIA articles! Wales is a town in Androscoggin County, Maine, United States. The population was 1,322 at the 2000 census. It is included in both the Lewiston-Auburn, Maine Metropolitan Statistical Area and the Lewiston-Auburn, Maine Metropolitan New England City and Town Area.According to the United States Census Bureau, the town has a total area of 17.1 square miles (44.3 km²), of which, 16.1 square miles (41.8 km²) of it is land and 1.0 square miles (2.5 km²) of it (5.62%) is water.