Fairfax County is one of the most populous 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. 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.