Harford County is located in the northeastern part of the state of Maryland. It is bordered by the Susquehanna River to the west and the Chesapeake Bay to the south. The county seat is Bel Air, which serves as the administrative center. Harford County is known for its mix of suburban communities and rural areas, offering a variety of outdoor recreational activities. The county has a rich history, with several historical sites and parks, including Susquehanna State Park and Harford County Historical Society. It is also home to a diverse population and a range of educational institutions, making it a vibrant place to live and work.