Example image of eyePlorer eyePlorer map for 'Delaware': East Coast of the United States Mid-Atlantic States U.S. state United States Cape Henlopen Thomas West, 3rd Baron De La Warr Virginia Chesapeake Bay Delaware Bay Delmarva Peninsula Rhode Island New Castle County, Delaware Du Pont family DuPont Lenape Nanticoke Indian Tribe Native Americans in the United States Dutch people Lewes, Delaware Zwaanendael Colony American Revolution United States Constitution Maryland New Jersey Pennsylvania Estuary Eastern Shore Cupola New Castle, Delaware Twelve-Mile Circle Thalweg Wedge (border) Kent County, Delaware List of counties in Delaware Sussex County, Delaware Mason–Dixon Line Transpeninsular Line Ebright Azimuth Atlantic coastal plain Continental climate Humid subtropical climate Algonquian languages Nanticoke River Unami Hudson River Susquehannock Allegheny Mountains Five Nations Iroquois Finns