Barnstable, precincts 1 to 9, inclusive, and 13, Brewster, Chatham, Dennis, Eastham, Harwich, Mashpee, Orleans, Provincetown, Truro, Wellfleet and Yarmouth, in the county of Barnstable; Aquinnah, Chilmark, Edgartown, Gosnold, Oak Bluffs, Tisbury and West Tisbury, in the county of Dukes County; and Nantucket, in the county of Nantucket.