The first mention of San Lorenzo Historical milestone · San Lorenzo de Tormes, El Barco de Ávila - Piedrahíta, Ávila Image of San Lorenzo de Tormes, not of the place itself. The oldest written reference is from that year, when the Duke of Alba received orders from the Catholic Monarchs concerning the place. By around 1517 the settlement had some fifty inhabitants. 1494 Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in San Lorenzo de Tormes