Prince William County Administrative Offices are located at 1 County Complex Court, Woodbridge, Virginia 22192; phone: 703‑792‑6600.
Photo: The Lawn, ca. 1926, 15027 Vint Hill Road (Route 215), Nokesville, VA. Listed on the National Register of Historic Places in 1989. Photographed by user:Jerrye and Roy Klotz MD, 2010, (own work) [cc-by-3.0 (creativecommons.org/licenses/by/3.0)], via Wikimedia, accessed September, 2020.
Formed in 1730, the county was named for Prince William (Duke of Cumberland) who was the second son of King George II.
Manassas is the county seat.