- Built by
- The emperor Zeno
- Period
- 476–490
- Aisles
- Three, on three arches carried on piers
- 10th c.
- Eastern section dismantled into a courtyard
- February 2023
- The entrance arch and columns collapsed
This is the most damaged and most disordered of the four basilicas. Blocks came down when some of the ground-floor arches carrying it failed; in the tenth century its eastern section was dismantled and turned into a courtyard; and in February 2023 the earthquake brought down the arch and columns of its entrance.
It had three aisles on three arches carried on piers, with a large narthex in front that opened west over the valley of Afrin. The narthex has fallen. The view has not, and it is still the reason people walk to this side of the church.
Of the columns and arches that once divided the three aisles, only the column bases and some of their capitals remain.
From here you can see, scattered among the houses of the modern village of Deir Semaan, the remains of the monasteries of ancient Telanissos — the town where the pilgrims slept before they climbed.