Note 359 — Chapter XCIII · SECOND AND THIRD ASIATIC CAMPAIGNS OF ALEXANDER — BATTLE OF ISSUS — SIEGE OF TYRE.
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So Alexander considers Babylon (Arrian, ii. 17, 3-10)—προχωρησάντων ξὺν τῇ δυνάμει ἐπὶ Βαβυλῶνά τε καὶ Δαρεῖον ... τόν τε ἐπὶ Βαβυλῶνος στόλον ποιησόμεθα, etc. This is the explanation of Arrian’s remark, iii. 7, 6—where he assigns the reason why Alexander, after passing the Euphrates at Thapsakus, did not take the straight road towards Babylon. Cyrus the younger marched directly to Babylon to attack Artaxerxes. Susa, Ekbatana, and Persepolis were more distant, and less exposed to an enemy from the west.