'Grayson County, VA' definitions:

Grayson -- U.S. County in Virginia

From: Gazetteer 2000
Name :
Grayson -- U.S. County in Virginia
Population (2000) :
17917
Housing Units (2000) :
9123
Land area (2000) :
442.638528 sq. miles (1146.428475 sq. km)
Water area (2000) :
3.264740 sq. miles (8.455638 sq. km)
Total area (2000) :
445.903268 sq. miles (1154.884113 sq. km)
Located within :
Virginia (VA), FIPS 51
Location :
36.648348 N, 81.171894 W