Dorchester

            Dorchester, town (parish), West Dorset district, administrative and historic county of Dorset, southwestern England, on the River Frome. Dorchester is the county town (seat) of Dorset.The ancient town (then known as Durnovaria) was a sizable Roman British centre, and many remains of the period (including mosaics and ruined villas) have been found. In the south an amphitheatre at Maumbury Rings dates from pre-Roman times; Maiden Castle, a vast earthwork encircled by entrenchments and ramparts and occupying more than 120 acres (50 hectares), was the site of important settlement from Neolithic times into the Iron Age.