Solano County is located in northern California, situated between the San Francisco Bay and the Sacramento Valley. It is known for its diverse landscapes, which include rolling hills, agricultural land, and waterfront areas along the Suisun Bay. The county seat is Fairfield, and other notable cities include Vallejo and Vacaville. The county is home to several parks and recreational areas, such as Lake Berryessa and Benicia State Recreation Area. Solano County also has a rich history, with sites like the Benicia Arsenal and the California State Military Museum reflecting its past. The population is diverse, contributing to a vibrant community atmosphere.