Sonoma County is on the northwest coast of California one of the northernmost parts of the greater San Francisco Bay Area, U.S. Its largest city and county seat is Santa Rosa. Sonoma is the southwestern county California Wine Country region, which also includes Napa and Lake counties. It has thirteen approved American Viticultural Areas, and over 250 wineries. In 2002 Sonoma County ranked as the thirty-second county in the United States in production. As early as 1920 Sonoma County was ranked as the eighth most productive U.S county, largely due to the abundance of high quality irrigation water. More than 7.4 million tourists visit each year, spending more than $1 billion in 2006. Sonoma County is the home of Sonoma State University and Santa Rosa Junior College.
Learn more about this city.County of Sonoma, CA Chamber of Commerce
County of Sonoma, CA official siteState of California official site