Tidewater region is in two southern US states.
North Carolina ( [ nɔrθ_kærəˈlaɪnə ] ) is a state in the southeastern region of the United States . The Tidewater region is a geographic area of southeast Virginia and northeastern North Carolina , part of the Atlantic coastal plain in the United States of America . Virginia . The state is part of both the Southern United States , as well as the Mid-Atlantic .