Pocahontas County is a county located in the eastern part of the U.S. state of West Virginia. As of the 2020 census, the population was 7,869. Its county seat is Marlinton. The county was established in 1821. It is named after the daughter of the Powhatan chief of the Native Americans in the United States who came from Jamestown, Virginia. She married an English settler, and their children became ancestors of many of the First Families of Virginia.

The National Radio Quiet Zone (NRQZ) is a large area of land in the United States designated as a radio quiet zone, in which radio transmissions are restricted by law to facilitate scientific research and the gathering of military intelligence. About half of the zone is located in the Blue Ridge Mountains of west-central Virginia while the other half is in the Allegheny Mountains of east-central West Virginia; a small part of the zone is in the southernmost tip of the Maryland panhandle.