Berkeley Springs is a town in, and the county seat of, Morgan County, West Virginia, United States, in the state's Eastern Panhandle. 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 Virginia post office, Berkeley Springs. The population of the town was 800 (estimated). The town is located within the Hagerstown–Martinsburg, MD–WV Metropolitan Statistical Area. Berkeley Springs is a sister city to Bath, Somerset, England.