The Forma Urbis Romae or Severan Marble Plan is a massive marble map of ancient Rome, created under the emperor Septimius Severus between 203 and 211.
Forma Urbis Romae ehk Severuse marmorplaan on massiivne antiikaegse Rooma kaart, mis loodi keiser Septimius Severuse valitsemisajal vahemikus 203–211.