Borstal is a place in the Medway unitary authority of Kent in South East England. Originally a village near Rochester, it has become absorbed by the expansion of Rochester. The youth prison at Borstal gave its name to the Borstal reform school system.

Rochester is a town in the unitary authority of Medway, in Kent, England. It is at the lowest bridging point of the River Medway, about 30 miles (50 km) from London. The town forms a conurbation with neighbouring towns Chatham, Rainham, Strood and Gillingham. Rochester was a city until losing its status as one in 1998 following the forming of Medway and failing to protect its status as a city. There have been ongoing campaigns to reinstate the city status for Rochester. In 2011 it had a population of 62,982.