The Portuguese wine region is named after the 900-kilometer-long river of the same name steep Hanging with extreme Tilt the vineyards are. This springs in the Spanish province of Soria ( Castile and Leon ), flows through as "Duero" northern Spain and then as "Douro" northern Portugal, until finally at the city postage flows into the Atlantic. Over 100 kilometers, the river forms the Portuguese-Spanish border; after that, the Port wine area extends just as long in Portugal,
Already in 1756 was under the then Prime Minister Marquês de Pombal (1699-1782) to protect the authenticity of the port wine the area Douro as one of the oldest origin protected Wine regions of the world first defined within its borders and later classified as a DOC area. However, the "Vinho do Porto" or "Porto" is not named after its Douro origin, but after the port city, from where it is shipped. For over two centuries, this applied exclusively to the port. Only in 1979 was extended to unsweetened wines. Above all, the successes of the famous red wine "Barca Velha" contributed to the winery Ferreira, but later also of the "Redomo" of Niepoort and the "Grande Escolha" of Quinta do Côtto.
Like everyone else waters the river exerts a positive effect on the viticulture or creates for it the condition by the formation of valley slopes. It is actually a Doppelappellation, where "Douro = normal wine" and "Porto e Douro = port wine" means. In 2001, the classic port wine area Douro (Alto Douro) was declared by UNESCO World Heritage explained. Of the nearly 40,000 hectares, 33,000 hectares are classified for port (slate) and 7,000 hectares for normal (granite). About half is processed depending on the quality of the vintage but also of the port wine areas as normal wines. The grape varieties are virtually the same as for the port. The recommended ones must be at least 60%. Wines of unauthorized varieties are called Land wines (Vinho Regional) under the name Duriense marketed. Many wineries produce both port and regular wines. See a list of well-known producers under the keyword port wine,