American state - one of the 50 states of the United States

Mid-Atlantic states - a region of the eastern United States comprising New York and New Jersey and Pennsylvania and Delaware and Maryland

Aberdeen - a town in northeastern Maryland

Annapolis, capital of Maryland - state capital of Maryland; site of the United States Naval Academy

Baltimore - the largest city in Maryland; a major seaport and industrial center

Fort George G. Meade, Fort George Gordon Meade, Fort Meade - an Army base in Maryland; headquarters of the National Security Agency

Frederick - a town in northern Maryland west of Baltimore

Hagerstown - a town of northern Maryland

Chesapeake Bay - a large inlet of the North Atlantic between Virginia and Maryland; fed by Susquehanna River

Potomac, Potomac River - a river in the east central United States; rises in West Virginia in the Appalachian Mountains and flows eastward, forming the boundary between Maryland and Virginia, to the Chesapeake Bay

Susquehanna, Susquehanna River - a river in the northeastern United States that rises in New York and flows southward through Pennsylvania and Maryland into Chesapeake Bay

American state - one of the 50 states of the United States

North, Union - the United States (especially the northern states during the American Civil War); "he has visited every state in the Union"; "Lee hoped to detach Maryland from the Union"; "the North's superior resources turned the scale"

province, state - the territory occupied by one of the constituent administrative districts of a nation; "his state is in the deep south"

Republic of South Africa, South Africa - a republic at the southernmost part of Africa; achieved independence from the United Kingdom in 1910; first European settlers were Dutch (known as Boers)