Cepeda de la Sierra is a municipality in the province of Salamanca, in the autonomous communities Castile and León, Spain. It is situated 96 k…Cepeda de la Sierra is a municipality in the province of Salamanca, in the autonomous communities Castile and León, Spain. It is situated 96 km from the city of Salamanca, the provincial capital. As of 2016, it has a population of 349 and an area of 11 km². It sits at an elevation of 633 metres above sea level. Its postal code is 37656.