The first news of growing grapes in the current province of Madrid is related to the monastery of Santa Maria de Valdeiglesias in the twelfth century. It was the Cistercian monks who introduced this crop to the area, as in other important areas wine regions of Europe, and who tell us about the cultivation of the vine in the Monastery of San Martin de Valdeiglesias: “The fruitfulness of the earth, it is very suitable for planting vines, of which they obtain fortified wines called San Martín, which are the most fertile in Europe, even if I said come first of all, wouldn’t err”.