Naval Weapons Station Yorktown is a United States Navy base in York County, James City County, and Newport News in the Hampton Roads region of Virginia. It provided a weapons and ammunition storage and loading facility for ships of the United States Atlantic Fleet, and more recently, for those from the Fleet Forces Command.

York County is a county in the eastern part of the Commonwealth of Virginia, located in the Tidewater. As of the 2020 census, the population was 70,045. The county seat is the unincorporated town of Yorktown.