Dewitt Army Hospital, Fort Belvoir when it opened in 1957.

Fairfax County is one of the largest counties in Virginia and one of the most prosperous counties in the nation. Much of the Capital Beltway lies in Fairfax County, but most of Fairfax County is just outside the Beltway. Fairfax County ranges widely in price, density and accessibility.

• More about Fairfax County VA

  Fairfax County surrounds the City of Fairfax and borders Alexandria, Arlington and Falls Church. Fairfax County ranges from urban to suburban, with homes to suit almost every taste and budget. Because Fairfax County is so large our Guide arbitrarily divides Fairfax County into three parts:

  • Northern Fairfax County (that part of Fairfax County north of I-66);
  • Southern Fairfax County (Fairfax County south of I-95) and;
  • Central Fairfax County (Fairfax County between I-66 and I-95).

  [ Read more about the neighborhoods of Fairfax County VA ]