It was in a town on the left bank of the Euphrates, at the end of a bridge of boats (zeugma).
With Iran Antioch was connected most directly by the road which crossed the Euphrates at the Zeugma and went through Edessa and Antioch-Nisibis to the Tigris.
Palmyra, judging from numismatic evidence, claimed the favour of Libra, Zeugma that of Capricorn; Leo protected Miletus, Sagittarius Singara.
A town on the left bank of the Euphrates, at the end of a bridge of boats (zeugma); the Til-Barsip of the Assyrian inscriptions, now Birejik.
The two easiest routes from the Mediterranean, lying through the Orontes gorge and the Beilan Pass, converge in the plain of the Antioch Lake (BalÃƒ¼k Geul or El Bahr) and are met there by (I) the road from the Amanic Gates (Baghche Pass) and western Commagene, which descends the valley of the Kara Su, (2) the roads from eastern Commagene and the Euphratean crossings at Samosata (Samsat) and Apamea Zeugma (Birejik), which descend the valleys of the Afrin and the Kuwaik, and (3) the road from the Euphratean ford at Thapsacus, which skirts the fringe of the Syrian steppe.