Regio X Palatium

In extent, the region largely followed the contours of the Palatine, and so was bordered by the Velabrum on the north west, the Circus Maximus to the south west, the Via Sacra on the north east, and on the south east, a street where the modern Via di San Gregorio is now situated.

[1] The hill itself is dominated by a series of imperial palaces, which were the residences of the emperors and their families whilst they were lodged in the city.

Later, the Domus Severiana was added by the emperor Septimius Severus, who also constructed the Septizodium (or the Temple of the Seven Suns) adjacent to it.

Also here, according to the 5th century Notitia, was the Temple of Jupiter Victor, which is assumed to have been situated near the entrance of Domitian's Palace.

Also here was the Lupercal, reputedly where the twin boys (Romulus and Remus) were suckled by a she-wolf and where the Lupercalia festivities were held, as well as the Roma quadrata.