（Ῥέσαινα), Resaena, Resina (Ῥέσινα). Now Ras-el-Ain. A city of Mesopotamia, near the sources of
the Chaboras, on the road from Carrae to Nisibis. After its restoration and fortification by
Theodosius, it was called Theodosiopŏlis.
Harry Thurston Peck. Harpers Dictionary of Classical Antiquities. New York. Harper and Brothers. 1898.
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