<P> The Piedmont is a plateau region located in the eastern United States . It sits between the Atlantic Coastal Plain and the main Appalachian Mountains, stretching from New Jersey in the north to central Alabama in the south . The Piedmont Province is a physiographic province of the larger Appalachian division which consists of the Gettysburg - Newark Lowlands, the Piedmont Upland and the Piedmont Lowlands sections . </P> <P> The Atlantic Seaboard fall line marks the Piedmont's eastern boundary with the Coastal Plain . To the west, it is mostly bounded by the Blue Ridge Mountains, the easternmost range of the main Appalachians . The width of the Piedmont varies, being quite narrow above the Delaware River but nearly 300 miles (475 km) wide in North Carolina . The Piedmont's area is approximately 80,000 square miles (210,000 km). </P>

Upland region that stretches from nj to alabama