Portuguese wine order to protect its superior wines from inferior ones. The quality and great variety of wines in Portugal are due to noble castas, microclimates, soils and proper technology. Official designations: Vinho Verde: This region is mainly in the Minho province and is in the extreme north-west of Portugal. There are six areas : Vinho Verde derived its name from the fact that the grapes used are 'green' meaning slightly under-ripe. Vinho Verde wines are now largely exported, and are the most exported Portuguese wines after the Port Wine. The most popular variety in Portugal and abroad are the white wines,
Rioja (wine) La Rioja wine region, whereas the south-southwestern part of the La Rioja region is not a part of this Protected designation of origin. Located on the western edge of the region and at higher elevations than the other areas, the Rioja Alta is known more for its "old world" style of wine. A higher elevation equates to a shorter growing season, which in turn produces brighter fruit flavors and a wine that is lighter on the palate. Despite sharing a similar climate as the Alta region, the Rioja Alavesa produces wines with a fuller body and higher acidity. Vineyards in