Syria is bounded on the north by Cilicia and the mountain Amanus; from the sea to the bridge on the Euphrates (that is, from the Issic Bay to the Zeugma in Commagene) is a distance of 1400 stadia, and forms the above-mentioned (northern) boundary; on the east it is bounded by the Euphrates and the Arabian Scenitæ, who live on this side the Euphrates; on the south, by Arabia Felix and Egypt; on the west, by the Egyptian and Syrian Seas as far as Issus.