Eastern Counties Regional Library (ECRL) is a regional public library system, providing free public library services to the counties of Guysborough, Richmond and Inverness in Nova Scotia, Canada. The library system is governed by the Eastern Counties Regional Library Board and operates under the terms of the Nova Scotia Libraries Act. The Library Board is made up of Council Members from the six municipal units served by the Eastern Counties Regional Library System and one representative of the Province of Nova Scotia. These municipal units are the Town of Mulgrave; the Municipality of the District of Guysborough, the Municipality of the District of St. Mary's, the Town of Port Hawkesbury, Inverness County and Richmond County.