La Alberca is a municipality in the province of Salamanca in the autonomous community of Castilla y León, Spain. It is the capital of Sierra de Francia Comarca. In 2003, the population of La Alberca was 1105, and the area 60.73km2. Its altitude is 1048m above sea level. The Carmelite convent of Batuecas Desert, established by Thomas á Jesu is located five kilometres away, but the route there from the town is 12 km.