San Paolo alla Regola – Underground Rome

The underground site of San Paolo alla Regola is the most particular underground site in Rome because it is for about 15 m in height corresponding to four floors: two below the current level, to a depth of 9 m, and two above the ground. It is a large complex of structures, whose first step consists of rooms on two floors, covered with a barrel vault. The building underwent a complete renovation at the beginning of the third century. A.D. with the inclusion of large halls, other stores and homes, raising the level to at least four floors in height. The entire complex underwent a further reconstruction following a fire (probably the one occurred in 283) which had caused damage to the structures. To this step, the age of Constantine (the first decades of the fourth century), belongs the backfilling of the ground floor and the strengthening.
*PLEASE TAKE NOTE that all our tours are on a private basis for your party.