Herndon is a town in Fairfax County, Virginia, United States, part of the Washington, D.C., metropolitan area. In 2020, the population at the census was 24,655, which makes it the largest of three incorporated towns in the county.

Dranesville is a census-designated place (CDP) in Fairfax County, Virginia, United States. Dranesville is located on the Leesburg Pike at its intersection with Georgetown Pike. The U.S. Census Bureau defines Dranesville as a census-designated place (CDP) with a population of 11,921 as of 2010. At the 2020 Census the population was 11,785.