American Viticultural Areas, Appellations of Origin Wine Appellations of Origin AVA (American Viticultural Area) Wine Appellations of Origin Authorized Wine Appellations of Origin http://www.ttb.gov/appellation/ "Appellations of Origin" www.ttb.gov/appellation/ American Viticultural Areas, Wine Appellations of Origin 200 AVA’s as of 11-28-11 American Viticultural Area (AVA). Appellations of Origin http://www.ttb.gov/appellation/ Appellations of Origin http://www.ttb.gov/appellation/ Wine Appellations of Origin Appellations of Origin "Requirement" American Viticultural Areas,