Eastern Shore of Virginia in the context of "Northampton County, Virginia"

The Chesapeake Bay (/ˈtʃɛsəpiːk/ CHESS-ə-peek) is the largest estuary in the United States. The bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware. The mouth of the bay at its southern point is located between Cape Henry and Cape Charles. With its northern portion in Maryland and the southern part in Virginia, the Chesapeake Bay is a very important feature for the ecology and economy of those two states, as well as others surrounding within its watershed. More than 150 major rivers and streams flow into the bay's 64,299-square-mile (166,534 km) drainage basin, which covers parts of six states (New York, Pennsylvania, Delaware, Maryland, Virginia, and West Virginia) and all of Washington, D.C.

The bay is approximately 200 miles (320 km) long from its northern headwaters in the Susquehanna River to its outlet in the Atlantic Ocean. It is 2.8 miles (4.5 km) wide at its narrowest (between Kent County's Plum Point near Newtown in the east and the Harford County western shore near Romney Creek) and 30 miles (48 km) at its widest (just south of the mouth of the Potomac River, which divides Maryland from Virginia). Total shoreline including tributaries is 11,684 miles (18,804 km), circumnavigating a surface area of 4,479 square miles (11,601 km). Average depth is 21 feet (6.4 m), reaching a maximum of 174 feet (53 m). The bay is spanned twice, in Maryland by the Chesapeake Bay Bridge from Sandy Point (near Annapolis) to Kent Island and in Virginia by the Chesapeake Bay Bridge–Tunnel connecting Virginia Beach to Cape Charles.

38°30′N 75°40′W / 38.500°N 75.667°W / 38.500; -75.667

The Delmarva Peninsula, or simply Delmarva, is a peninsula on the East Coast of the United States, occupied by the majority of the state of Delaware and parts of the Eastern Shore of Maryland and Eastern Shore of Virginia.

Tidewater is a region in the Atlantic Plains of the United States located east of the Atlantic Seaboard fall line (the natural border where the tidewater meets with the Piedmont region) and north of the Deep South. The term "tidewater" can be applied to any region where water levels are affected by the tide. Still, culturally and historically, the Tidewater region refers most commonly to the low-lying plains of southeastern Virginia (known as the coastal plain or Tidewater Virginia), eastern Maryland, the Eastern Shore, and the Chesapeake Bay. It can also encompass Delaware, the remainder of the Delmarva Peninsula, and Northeastern North Carolina.

The cultural Tidewater region got its name from the effects of changing ocean tides on local rivers, sounds, and shorelines. The area has a centuries-old cultural heritage that sets itself apart from the adjacent inland parts of the United States, especially concerning its distinctive dialects of English, which are gradually disappearing, along with its islands and its receding shoreline.

The Atlantic Plain is one of eight distinct physiographic divisions of the contiguous United States. Using the USGS physiographic classification system, the Atlantic Plain division comprises two provinces and six sections. The Coastal Plain province is differentiated from the Continental Shelf province simply based on the portion of the land mass above and below sea level.

The lands adjacent to the Atlantic coastline are made up of sandy beaches, marshlands, bays, and barrier islands. It is the flattest of the U.S. physiographic divisions and stretches over 2,200 miles (3,500 km) in length from Cape Cod to the Mexican border and southward an additional 1,000 miles (1,600 km) to the Yucatán Peninsula. The central and southern Atlantic Coast is characterized by barrier and drowned valley coasts. The coastal Atlantic plain features nearly continuous barriers interrupted by inlets, large embayments with drowned river valleys, and extensive wetlands and marshes. The Atlantic plain slopes gently seaward from the inland highlands in a series of terraces. This gentle slope continues far into the Atlantic and Gulf of Mexico, forming the continental shelf. The relief at the land-sea interface is so low that the boundary between them is often blurry and indistinct, especially along stretches of the Louisiana bayous and the Florida Everglades.

Tidewater is a region in the Atlantic Plains of the United States located east of the Atlantic Seaboard fall line (the natural border where the tidewater meets with the Piedmont region) and north of the Deep South. The term "tidewater" can be applied to any region where water levels are affected by the tide. Still, culturally and historically, the Tidewater region refers most commonly to the low-lying plains of southeastern Virginia (known as the coastal plain or Tidewater Virginia), eastern Maryland, the Eastern Shore, and the Chesapeake Bay. It can also encompass Delaware, the remainder of the Delmarva Peninsula, and northeastern North Carolina.

The cultural Tidewater region got its name from the effects of changing ocean tides on local rivers, sounds, and shorelines. The area has a centuries-old cultural heritage that sets itself apart from the adjacent inland parts of the United States, especially concerning its distinctive dialects of English, which are gradually disappearing, along with its islands and its receding shoreline.

Accomack County is a United States county that, together with Northampton County, constitutes the Eastern Shore region of the Commonwealth of Virginia. These two counties also form the southern portion of the Delmarva Peninsula, which is bordered by the Chesapeake Bay to the west, and the Atlantic Ocean to the east. The town of Accomac serves as the county seat, while Chincoteague is the largest town in the county.

The area was named for the Accawmack Indians, who resided in the area when the English first explored it in 1603. The region was known as "Accomac Shire" until it was renamed Northampton County in 1642. The present Accomack County was then carved out of Northampton County in 1663.

The Assateague (meaning: "swifly moving water") were an Algonquian people speaking the Nanticoke language who historically lived on the Atlantic coast side of the Delmarva Peninsula (known during the colonial period as the Eastern Shores of Maryland and Virginia, and the Lower Counties of Pennsylvania).

While there are living people who may have distant heritage from this tribe, including some citizens of the Six Nations of the Grand River, the tribe itself no longer exists as a culturally intact tribal community.