Fairfax County, VA

Fairfax County, officially the County of Fairfax, is a county in the Commonwealth of Virginia. As of the 2010 census, the population was 1,081,726, in 2015, it was estimated at 1,142,234, making it the most populous jurisdiction in the Commonwealth of Virginia, with 13.6% of Virginia's population. Wikipedia*

On the C-SPAN Networks:
Fairfax County, VA has hosted 1 event in the C-SPAN Video Library; the first program was a 2000 Speech.