The Piedmont region of Virginia is a part of the greater Piedmont physiographic region which stretches from the falls of the Potomac, Rappahannock, and James Rivers to the Blue Ridge Mountains. The region runs across the middle of the state from north to south, expanding outward to a width of nearly 190 miles at the border with North Carolina. To the north, the region continues from Virginia into central Maryland and southeastern Pennsylvania. It encompasses Fauquier, Rappahannock, Culpeper, Madison, Greene, Orange, Spotsylvania, Louisa, Albemarle, Fluvanna, Goochland, Nelson, Amherst, Buckingham, Cumberland, Powhatan, Amelia, Bedford, Campbell, Appomattox, Prince Edward, Nottoway, Charlotte, Franklin, Pittsylvania, Patrick, Henry, Halifax, Lunenburg, Mecklenburg, Brunswick, Stafford, Prince William and Fairfax counties in Virginia.