Maryland Counties with some major cities in each county

1. Anne Arundel
   1. Annapolis, Crofton, Glen Burnie, Severn, Severna Park, South Gate
2. Baltimore
   1. Baltimore, Randlestown, Reistertown, Woodlawn
3. Carroll
   1. Mount Airy, New Windsor, Sykesville, Tanneytown, Westminster
4. Charles
   1. Indian Head, La Plata, Potomac Heights, St. Charles, Waldorf
5. Frederick
   1. Brunswick, Frederick, Myersville, Urbana, Walkersville
6. Howard
   1. Columbia, Ellicott City, Elkridge, Savage
7. Montgomery
   1. Aspen Hill, Bethesda, Damascus, Gaithersburg, Germantown, Glen Echo, Montgomery Village, Olney, Poolesville, Potomac, Rockville, Silver Spring, Wheaton
8. Prince Georges
   1. Beltsville, Bowie, Camp Springs, Capital Heights, Clinton, District Heights, Forestville, Glenarden, Greenbelt, Kettering, Landover, Lanham, Largo, Laurel, Oxon Hill, Upper Marlboro, Ft. Washington

Northern Virginia Counties with some major cities in each county

1. Arlington
   1. Ballston, Barcroft, Buckingham, Roslyn
2. Culpeper *
   1. Culpeper, Remington
3. Fairfax
   1. Alexandria, Annandale, Bailey's Crossroads, Burke, Centreville, Chantilly, Fairfax, Falls Church, Franconia, Herndon, Hybla Valley, Lorton, Mount Vernon, Oakton, Reston, Rose Hill, Springfield, Tysons Corner, Vienna
4. Fauquier
   1. Bealeton, Marshall, Warrenton
5. Loudoun
   1. Ashburn, Leesburg, Purcellville, South Riding, Sterling, Sterling Park
6. Prince William
   1. Bristow, Dale City, Dumfries, Gainesville, Haymarket, Lake Ridge, Manassas, Manassas Park, Minnieville, Montclair, Occoquan, Triangle, Woodbridge
7. Stafford
   1. Aquia Harbour, Garrisonville, Falmouth, Stafford
8. Spotsylvania
   1. Fredericksburg (only)