The small church, chapel, or martyrion recently discovered in ancient Edessa dates to the V century (the inscription dates between A.D. 460 and 495).
Sources:
- 1,500-Year-Old Greek Mosaic Unearthed at Urfa Castle Reveals Names of Early Byzantine Clergy -https://www.anatolianarchaeology.net/1500-year-old-greek-mosaic-unearthed-at-urfa-castle-reveals-names-of-early-byzantine-clergy/