Created on 1989, the appellation of origin Bierzo is located on the west of the León region (Castilla y León). This is a passing zone between Galicia, León and Astúrias, bordered by the regions of Ourense, Lugo and Oviedo. The planted surface is of 3000 hectares, all located on the valley of the Sil River. The dominant variety is red and is called Mencía, occupying almost the 75% of the plantation. The average production exceeds the 9 millions of liters, most of them exported to Germany and the US, apart from the sales on the national market.