Metropolitan Police District Metropolitan Police District The Metropolitan Police District (MPD) is the police area which is policed by the Metropolitan Police Service in London. It currently consists of the Greater London region, excluding the City of London. The Metropolitan Police District was created by the Metropolitan Police Act 1829 as an ad hoc area of administration because the built-up area of London spread at the time into many parishes and counties without an established boundary. The district expanded as the built up area grew and stretched some distance into rural land. When county police were set up in England the forces of
Metropolitan Police Marine Policing Unit Metropolitan Police Marine Policing Unit The Marine Policing Unit (MPU), formally known as Thames Division, is a Central Operations (CO) branch of London's Metropolitan Police Service. Its forerunner, the Marine Police Force, was England's first recognised preventive police unit. The MPU is headquartered on Wapping High Street, in the east of the city, from where it operates a fleet of vessels responsible for policing the River Thames within Greater London. Thames Division was formed in 1839 when the Marine Police Force was absorbed into the Metropolitan Police Force. The original marine force is considered the first preventive police unit in