Fairfax County on the map of Virginia 2024. Cities, roads, borders and directions in Fairfax County of Virginia.

The County of Fairfax is the most populous county in Virginia, home to more than a million people. The County of Fairfax is located right to the west of Washington, DC. Its county seat is Fairfax while the largest city is Herndon. This map shows the borders of Fairfax County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Fairfax County.