Praefectus Urbanus

• The Praefectus Urbanus, also known as Praefectus Urbi, was the Prefect of Rome, a position dating back to the Kings of Ancient Rome.
• He was in charge of the City of Ancient Rome and up to 100 mile radius outside of its boundary.

Duties

• The Praefectus governed through a system of managers called Aediles.
• He was responsible for the Sewers, the Water supply and Drainage of the Tiber.
• He regulated the Argentarii (Bankers).
• He controlled the Cohortes Urbanae (city police), who had three Cohorts to police Ancient Rome.