Calvarrasa de Abajo (Latitude: 40° 57' N, Longitude: 005° 33' W) is a village and municipality in the province of Salamanca, western Spain, part of the autonomous community of Castile-Leon. It is 10 kilometres from the provincial capital city of Salamanca and has a population of 1021 people. The municipality covers an area of 28.16 km².