167 cities
Fairfax County, Prince William County, Loudoun County, Arlington County, Stafford County, Alexandria city, Spotsylvania County, Fauquier County, Culpeper County, Manassas city, Warren County, King George County, Fredericksburg city, Fairfax city, Clarke County, Manassas Park city, Falls Church city, and Rappahannock County are the counties generally considered part of Northern Virginia.