Why It's Called the Delmarva Peninsula: A Portmanteau of Three States

The Delmarva Peninsula—a large, triangular landform on the East Coast of the United States—derives its name from a simple yet clever linguistic blend. Contrary to a common misconception, it is not called the "Delaware Peninsula." Instead, the name Delmarva is a portmanteau formed from the first three letters of the three states that share the peninsula:

• DELaware
• MARyland
• VAirginia

Geographic Scope

The peninsula encompasses:

• The entire state of Delaware.
• The Eastern Shore counties of Maryland (nine counties east of the Chesapeake Bay).
• The Eastern Shore of Virginia (two counties—Accomack and Northampton—separated from the mainland by the Chesapeake Bay).

Why the Name Matters

Using a portmanteau avoids privileging any single state and reflects the region's shared geography, economy (poultry, agriculture, tourism), and cultural ties. The term gained widespread usage in the mid-20th century through chambers of commerce, tourism boards, and regional planning agencies.

Key Features

• Boundaries: Chesapeake Bay (west), Delaware Bay (north), Atlantic Ocean (east).
• Major Cities: Dover (DE), Salisbury (MD), Easton (MD), Ocean City (MD), Chincoteague (VA).
• Ecology: Extensive wetlands, barrier islands, and the Delmarva fox squirrel (a recovered endangered species).

So, the next time you hear "Delmarva," you'll know it's a concise nod to the three-state collaboration that defines this unique Atlantic coastal region.