The Upper Mississippi River Valley AVA is an American Viticultural Area covering 29,914 square miles (77,477 square kilometers, or 19,144,960 acres) located along the Upper Mississippi River and its tributaries in northwest Illinois, northeast Iowa, southeast Minnesota and southwest Wisconsin. Certified by the United States Department of the Treasury's Alcohol and Tobacco Tax and Trade Bureau on July 22, 2009, it is the largest AVA in the United States. The AVA encompasses an area 50 times larger than the Bordeaux wine regions of France.