|Elevation||300 m (1,000 ft)| Resafa (Arabic: الرصافة [reṣafa]),
known in Roman times as Sergiopolis and briefly as
Anastasiopolis, was a city located in the Roman province of
Euphratensis, in modern-day Syria. It is an archaeological site
situated south-west of the city of Ar Raqqah and the Euphrates.
Procopius describes at length the ramparts and buildings erected
there by Justinian. The walls of Resafa which are still well
preserved are over 1600 feet in length and about 1000 feet in
width; round or square towers were erected about every hundred
feet; there are also ruins of a church with three apses. Resafa
corresponds to the Akkadian Raṣappa and the Biblical Rezeph
(Septuagint; in Ancient greek Ràphes, Ράφες), where it is
mentioned in Isaiah 37:12; cuneiform sources give Rasaappa,
Rasappa, and Rasapi. The site dates to the 9th century BC, when
a military camp was built by the Assyrians. During Roman times
it was a desert outpost fortified to defend against the Sassanid
Persians, and a station on the Stra