Mencía is the name of a variety or breed of red grape introduced and cultivated mainly in the northwest of the Iberian Peninsula since the time of Ancient Rome. After recovering from the disaster of the phylloxera epidemic at the end of the 19th century, which caused a serious economic crisis in its traditional growing areas, it is used to make aromatic and fruity wines , with an intense color, and with aging possibilities.

Rioja is a Qualified Denomination of Origin (DOCa) of Spain with which certain wines made in areas of the autonomous communities of La Rioja and the Basque Country are distinguished mainly, and to a lesser extent in Navarra or Castilla y León, 4 ( less than 2.5 km²). Due to the orographic and climatic diversity, there are three production subzones —Rioja Alta, Rioja Oriental and Rioja Alavesa— where wines of different characteristics originate. The average annual production of Rioja wine is 336 million liters (85% red wine and 15% white and rosé wine). Rioja wines are fresh, aromatic, with a balanced composition and an excellent bouquet.

Ribera del Duero is a denomination of origin to which vineyards located in Castilla y León (Spain), within a strip of the Duero river basin, of about 115 kilometers long and 35 wide, located at the confluence of the provinces of Soria, Burgos, Segovia and Valladolid. DO Ribera del Duero wines are mainly red, although there are also rosés. The most characteristic grape variety is the generically called Tinta del País, known in the wine world as Tempranillo , which constitutes more than 90% of the production.