Dobbin is an unincorporated community on the North Branch Potomac River in Grant County, West Virginia, USA. In Law, an unincorporated area is a region of land that is not a part of any Municipality. The Potomac River flows into the Chesapeake Bay, located along the mid- Atlantic coast of the United States. Grant County is a County located in the US state of West Virginia. West Virginia ( is a state in the Appalachian Upland South, and Mid-Atlantic regions of the United States, bordered by The United States of America —commonly referred to as the Dobbin is located southwest of Bayard on West Virginia Route 90. Bayard is a town in Grant County, West Virginia, United States. West Virginia Route 90 is a 13 mile long north-south State highway in the Eastern Panhandle of West Virginia.