Church of St Petka of the Saddlers.
The church is located in the center of Sofia.
The crypt of the church is a Roman tomb from the IV century, which means that there was a previous ceremonial building.
In the 11th century, the present temple was erected on the crypt.
The oldest preserved murals are from the fourteenth century, and above them there is a layer from the fifteenth and sixteenth centuries, by Pimen Zografski.