Port wine be labelled as "port" or "Porto". In the United States, wines labelled "port" may come from anywhere in the world, while the names "Oporto", "Porto", and "Vinho do Porto" have been recognized as foreign, non-generic names for port wines originating in Portugal. Port is produced from grapes grown and processed in the demarcated Douro region. The wine produced is then fortified by the addition of a neutral grape spirit known as aguardente in order to stop the fermentation, leaving residual sugar in the wine, and to boost the alcohol content. The fortification spirit is sometimes referred to as brandy but
Oregon wine in 2016 are Syrah, Merlot, Tempranillo, Pinot blanc, Gewürztraminer, Viognier, Cabernet franc, Müller-Thurgau, Sauvignon blanc, and Zinfandel, "V. vinifera" based wines produced in smaller quantities include Arneis, Baco noir, Black Muscat, Chenin blanc, Dolcetto, Gamay noir, Grenache, Marechal Foch, Malbec, Muscat, Nebbiolo, Petite Syrah, Sangiovese, and Sémillon. The state also produces fruit wine, sparkling wine, late harvest wine, ice wine, and dessert wine. As of the 2015 wine growing season, the state of Oregon has 702 wineries and 1052 vineyards growing "Vitis vinifera", composing a total of of which were harvested. Out of all US wine growing regions, Oregon ranks