Tidewater region is a geographic area in the US.
The Chesapeake Bay ( [ ˈtʃɛsəpiːk ] ) is an estuary in the U.S. states of Maryland and Virginia , lying inland from the Atlantic Ocean and surrounded to the west by the North American mainland and to the east by the Delmarva Peninsula . The Piedmont is a plateau region located in the eastern United States . Tidewater region . The Hampton Roads area of Virginia is considered to be in the Tidewater . Virginia ( [ vɚˈdʒɪnjə ] , [ vɚˈdʒɪni.ə ] , officially the Commonwealth of Virginia ) is a state located on the Atlantic Coast of the United States .