The first building on this site was a Roman bath, followed by a sixth-century (the dating was based on precise coin finds in stratigraphic excavation) hall church with an apse laying up against the Aqueduct of Valens. Later – possibly in the seventh century – a much larger church was built to the south of the first church.
The first building on this site was a Roman thermal complex, followed by a sixth-century (the dating was based on precise coin discoveries during excavation) hall church with an apse adjacent to the Aqueduct of Valens. Subsequently – possibly in the seventh century – a larger church was constructed to the south of the original structure.