Santa Rosa is a city located in Sonoma County, California, United States. It is the largest city in the county and serves as the county seat. The city has a population of approximately 178,000 people as of 2021. Santa Rosa is known for its beautiful natural landscapes, including vineyards, redwood forests, and parks. It is also recognized for its cultural attractions, such as the Luther Burbank Center for the Arts and the Charles M. Schulz Museum. Additionally, Santa Rosa is known for its agricultural industry, especially its wine production.