is an instance of: American state.

has as a part: Aberdeen | Annapolis, capital of Maryland | Baltimore | Fort George G. Meade, Fort George Gordon Meade, Fort Meade | Frederick | Hagerstown | Chesapeake Bay | Potomac, Potomac River | Susquehanna, Susquehanna River.

is a part of: America, the States, U.S., U.S.A., United States, United States of America, US, USA | Mid-Atlantic states | South.