Madison County is a county located in the Commonwealth of Virginia. As of the 2010 census, the population was 13,308. Its county seat is Madison.

Orange County is a county located in the Central Piedmont region of the Commonwealth of Virginia. At the 2010 census, the population was 33,481. Its county seat is Orange. Orange County includes Montpelier, the 2,700-acre (1,100 ha) estate of James Madison, the 4th President of the United States and often known as the "Father of the Constitution". The county celebrated its 275th anniversary in 2009.

Rappahannock County is a county located in the northern Piedmont region of the Commonwealth of Virginia, US, adjacent to Shenandoah National Park. In 2019, the population was estimated to be 7,370. Its county seat is Washington. The name "Rappahannock" comes from the Algonquian word lappihanne (also noted as toppehannock), meaning "river of quick, rising water" or "where the tide ebbs and flows." The county is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area.

Fauquier is a county in the Commonwealth of Virginia. As of the 2010 census, the population was 65,203. The county seat is Warrenton.Fauquier County is in Northern Virginia and is a part of the Washington metropolitan area. The county is one of the fastest-growing and highest-income counties in the United States.