Көне Рим қаласының мрамор картасы

Marble map of ancient Rome (c.205 208)
the ancient map of Rome

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 Matteo Cadario gives specific years of 205–208, noting that the map was based on property records.

It originally measured 18 m (60 ft) wide by 13 m (45 ft) high and was carved into 150 Proconnesian marble slabs mounted on an interior wall of the Temple of Peace. Created at a scale of approximately 1 to 240 (Cadario states 1:260 to 1:270), the map was detailed enough to show the floor plans of nearly every temple, bath, and insula in the central Roman city. The boundaries of the plan were decided based on the available space on the marble, instead of by geographical or political borders as modern maps usually are. The map was oriented with south at the top. On the map are names and plans of public buildings, streets, and private homes. The creators used signs and details like columns and staircases. In all about 10% of the original surface area of the plan has since been recovered in the form of over one thousand marble fragments. Part of the excavated plan showed a portion of the Forum of Augustus, interpreted as "a working drawing or as a proof of the existence of a more ancient Forma Urbis." The Forma Urbis has gone on display in 2024 under a glass floor at the new Museum of the Forma Urbis near the Colosseum. It is part of a bigger project of the Archaeological Park of the Celio to develop the area around the Roman Forum, Palatine Hill and Colosseum.