As of January 1981, Napa Valley was officially acknowledged as California’s first wine area. The AVA consists of more than, 45,000 acres of vines. Chardonnay and Cabernet Sauvignon are its primary grapes. Five percent of California’s wine is produced in Napa Valley, one of the most diversified regions. Since its founding, the AVA has expanded to encompass 16 different subregions.

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