The Metropolitan Police Service (MPS), formerly and still commonly known as the Metropolitan Police, formally called the Metropolitan Police Force, and informally referred to as the Met, is the territorial police force responsible for law enforcement in Greater London, excluding the "square mile" of the City of London, which is the responsibility of the City of London Police.
Can we infer the following?
The Metropolitan Police Service, formally know as the Met, is responsible for serving all of the City of London.