Napa County is a county in the U.S. state of California.
As of the 2010 census, the population was 136,484.
The county seat is the City of Napa.
It is in the San Francisco Bay Area region.

Napa County is known for its regional wine industry.
Napa County is a county in the U.S. state of California. As of the 2010 census, the population was 136,484. The county seat is the City of Napa. It is in the San Francisco Bay Area region.
Napa County is known for its regional wine industry.
Napa County, California