Lakes in Baltimore City County, Maryland OTHER COUNTIES NEARBY District Of Columbia County Anne Arundel County Baltimore County Calvert County Caroline County Carroll County Cecil County Charles County Dorchester County Frederick County Harford County Howard County Kent County Montgomery County Prince Georges County Queen Annes County Talbot County Adams County Chester County Cumberland County Dauphin County Lancaster County Lebanon County York County Alexandria City County Arlington County Fairfax County Fairfax City County Falls Church City County Loudoun County Manassas City County Manassas Park City County Prince William County Stafford County Maryland Lakes