Map of the Persian Empire in the era of Darius I.
The Persian Empire divided into twenty goverments by Darius son of Histaspes.
[MOLL, Herman]. Geographia classica: The geography of the ancients so far describ'd as it is contain'd in the Greek and Latin classicks, in twenty-nine maps of the Old World and its several Kingdoms and Provinces: Wherein the chief Places mention'd in Homer, Virgil, Ovid, Lucan, Eutropius, Cornelius Nepos, Justin, Quintus Curtius, Sallust, Livy, Caesar, Plutarch, Xenophon, Herodotus, and many other Ancient Authors are describ'd. To which is added, a Map of the Places mention'd in the Old and New Testaments. A collection long wanted, and now publish'd for the use of schools, London, Printed for C. Browne, MDCCXVII [=1717].
Iran / Persia
The Gennadius Library - The American School of Classical Studies at Athens