Sancta Sanctorum (Lateran, Rome)

Sancta Sanctorum
Chiesa di San Lorenzo in Palatio ad Sancta Sanctorum
Sancta Sanctorum, Lateran Palace with the rector of the Scala Santa
Sancta Sanctorum
41°53′14″N 12°30′25″E / 41.88719°N 12.50703°E / 41.88719; 12.50703
LocationLateran Palace, Rome
CountryItaly
DenominationRoman Catholic
History
StatusChapel (former private papal oratory)
DedicationSaint Lawrence
Relics heldCypress-wood reliquary with relics of 13 saints; acheiropoieta icon of Christ Pantocrator (“Uronica”)
Architecture
Functional statusActive
StyleGothic interior with Cosmatesque decoration
Completed8th century (documented under Pope Stephen III, 768–772); rebuilt/restored 1276–1280 (Pope Nicholas III)
Specifications
Width2.73 × 5.85 m (apse)
Nave height7 m
Administration
DioceseDiocese of Rome

The Chiesa di San Lorenzo in Palatio ad Sancta Sanctorum (English: Church of St. Lawrence in the Palace of the Holy of Holies), known simply as the Sancta Sanctorum, is a Catholic chapel in Rome featuring the Scala Sancta (Holy Stairs) of the Lateran Palace. It was the original private chapel of the papacy before it moved to Avignon, and later to the Apostolic Palace. The chapel is the only building from the old Lateran Palace that was not destroyed during its reconstruction.