In the United States wine is produced commercially in all fifty states, although the majority of wine is produced in California. If California (which accounts for about 90% of American wine production) were a country, it would be the fourth largest producer of wine in the world. Major production also occurs in New York state (5%), Washington state (4%), and Oregon (0.6%).
Napa Valley located in Napa County, California is widely considered one of the top wine regions in California, and all of the United S more »