Note 3763 — BOOK V. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
Probably Seleucia, in Mesopotamia, now called Bir, on the left bank of the Euphrates, opposite to the ford of Zeugma, a fortress of considerable importance.