Sarbacum

Dictionary of Greek and Roman Geography

SARBACUM(Σάρβακον, Ptol. 3.5.29), a town of Sarmatia, upon an affluent of the Tanais, probably a Graecised form of the Slavonic Srbec. (Schafarik, Slav. Alt. vol. i. pp. 512, 514.)
[E.B.J]