Sparkling wine Espumante () is the Portuguese version of a sparkling wine. Unlike Cava, which is produced solely in northern climates, Espumante is not only produced in the northern wet region of Vinho Verde, but also throughout Portugal all the way to the southern region of the Alentejo, known for its extreme temperatures and arid climate. While Spain has one regulating body, DOC Cava, spread across several different political regions, quality Espumante is produced solely in DOC Bairrada, located just south of Vinho Verde. In order for a wine to be certified as a quality Espumante from DOC Bairrada, it must be
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