King William County is located in the eastern part of Virginia, United States. It was established in 1702 and is named after King William III of England. The county is known for its rural landscape, featuring farms, forests, and waterways, including the Pamunkey River. The county seat is King William, a small town that serves as the administrative center. King William County has a rich history, with several historic sites and landmarks, including the King William Courthouse. The area is primarily residential, with a focus on agriculture and outdoor recreational activities.