Petra’s main church is the second church in Petra, after converting the urn tomb to the church in 446 made up of the church building with the corridors of length (28 m) and view (17 m) in addition to the yard, the tower of the bank and the rooms, side of the north and east. The church floor is characterized with north and south mosaics paved in the north and south galleries as well as marble in the east hallway and mosaic imagery of geometric, animal shapes and graphics representing the four seasons, the gods of sea and land, with three inscribed apses and corresponding three entrances in the western wall. Some parts of the walls are preserved up to 3m. It was probably built around the end of the fifth century AD, and destroyed by a fire and/ or an earthquake in the middle of the sixth century AS .Much of the building material such the capitals, doorjambs and reliefs were reused from earlier monuments in Petra.
The Petra church also produced the most complete example of marble church furnishing found in the region, some of which has been restored for display at the site.