Kammala wannan jumla: Da yake kusa da Washington, DC, Fairfax County muhimmiyar yanki ce a cikin yakin basasa. Ƙungiyar
An yi yakin Chantilly ko Ox Hill, a lokacin yakin da aka yi a karo na biyu na Bull Run, a cikin gundumar; Bull Run ita ce iyaka tsakanin Fairfax da Prince William Counties. Sauran wuraren da aka yi aiki sun haɗa da Minor's Hill, Munson's Hill, da Upton's Hill, a kan iyakar gabashin gundumar, suna kallon Washington, D.C.