Berkeley Springs is a town in, and the county seat of, Morgan County, West Virginia, United States, in the state's Eastern Panhandle. Berkeley Springs is also commonly used to refer to the area in and around the Town of Bath. In 1776, the Virginia Legislature incorporated a town around the springs and named it Bath. Since 1802, it has been referred to by the name of its original post office, Berkeley Springs. The population was 758 at the 2020 census. It is part of the Hagerstown–Martinsburg metropolitan area.

The Hagerstown–Martinsburg metropolitan area, officially designated by the United States Office of Management and Budget (OMB) as Hagerstown–Martinsburg, Maryland–West Virginia Metropolitan Statistical Area (MSA), constitutes the primary cities of Hagerstown, Maryland; Martinsburg, West Virginia; and surrounding areas in three counties: Washington County, Maryland; Berkeley County, West Virginia; and Morgan County, West Virginia. The metro area lies mainly within the rich, fertile Cumberland and Shenandoah valleys, and is approximately a 60–90 minute drive from Washington, D.C.; Baltimore, Maryland; and Harrisburg, Pennsylvania; Hagerstown is approximately 75 miles (121 km) driving distance from all three cities. The population of the metropolitan area as of 2008 is 263,753.