Santa Maria de Lamas (Portuguese meaning Saint Mary of Lamas) is a Portuguese civil parish located in the municipality of Santa Maria da Feira, in the district of Aveiro, in the Entre Douro e Vouga Subregion. It is located between the Douro and Vouga rivers and is part of the Porto Metropolitan Area. The population in 2011 was 5,073,[1] in an area of 3.75 km2.[2] The village became a town on September 25, 1985.