List of American Viticultural Areas
An American Viticultural Area (AVA) is a designated appellation for American wine in the United States distinguishable by geographic, geologic, and climatic features, with boundaries defined by the Alcohol and Tobacco Tax and Trade Bureau (TTB) of the United States Department of the Treasury. As of March 2022, there are 261 recognized AVAs in 34 states—several of which are shared by two or more states. Over half (143) of the AVAs are in California. American Viticultural Areas range in size from the Upper Mississippi River Valley AVA at across four states, to the Cole  Ranch AVA in Mendocino County, California, at only . The Augusta AVA near the town of Augusta, Missouri, was the first recognized AVA, gaining the status on June 20, 1980. California. Cascade Foothills. These AVAs are located in far northern California, east of Redding. Central Coast and Santa Cruz Mountains. All of these AVAs are included in the geographic boundaries of the Central Coast AVA with the exceptions of Ben Lomond Mountain AVA and Santa Cruz Mountains AVA, which are surrounded by, but are specifically excluded from, the larger regional AVA. Central Valley. Unlike other regions of California, there is no  large regional AVA designation that includes the entire Central Valley wine growing region. Klamath Mountains. These AVAs are located in the southern Klamath Mountains of far northwestern California. North Coast. All of these AVAs are included within the geographic boundaries of the six-county North Coast AVA. Sierra Foothills. All of these AVAs are contained entirely within the geographic boundaries of the Sierra Foothills AVA.