Vinho Verde decree of October 1 of the same year. The regulations controlling production were largely set in 1926, with recognition as a Denominação de Origem Controlada (DOC) in 1984. The AOC is overseen by the "Comissão de Viticultura da Região dos Vinhos Verdes" ("Wine Commission of the Vinho Verde Region"). Currently, nearly 21,000 hectares of vineyards are planted, making up 9% of the total in Portugal. There are around 19,000 producers, down from 72,590 in 1981. Around 600 bottlers in the region produce 85 million liters of wine each year. 86% of the wine from Vinho Verde is white. The Vinho
Vinho Verde Verde DOC is divided into nine subregions, which may be indicated on the wine label together with the name of Vinho Verde, for example as Vinho Verde-Amarante. The subregions are: Amarante, Ave, Baião, Basto, Cávado, Lima, Monção e Melgaço, Paiva, and Sousa. The grape varieties recommended or permitted for the DOC are as follows: The two most successful white wine varieties are Alvarinho and Loureiro. Alvarinho tends to produce low yields and can reach much higher alcohol levels. The grape is widely planted in the northern Minho between the Lima Valley and Spanish border. Loureiro produces higher yields but very