The Sonoma Barracks is a historic site located in Sonoma, California. Built in 1850, it served as a military outpost for the California Battalion during the Mexican-American War. The barracks played a crucial role in the early defense and governance of the region. Today, the Sonoma Barracks is part of the Sonoma State Historic Park and is open to the public. Visitors can explore the site to learn about its history and the role it played in the development of California. The barracks also highlight the interactions between early settlers and the indigenous peoples of the area.