Botetourt County is a US county that lies in the Roanoke Region of Virginia. Located in the mountainous portion of the state, the county is bordered by two major ranges, the Blue Ridge Mountains and the Appalachian Mountains. Botetourt County was created in 1770 from part of Augusta County and was named for Norborne Berkeley, 4th Baron Botetourt. It originally comprised a vast area, which included the southern portion of present-day West Virginia and all of Kentucky.