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About the history of eastem Iran from Achamaenian till the death of
Alexander very little information has been recorded by the ancient writers, even the Cyrns were killed by the northem tribes, but always eastem Iran were a secure place for the Persian, when there were invaded by the forigners.
Achamaenian recieved many gift from eastem Iran even in the form of
tax, And. in thier records mentioned a huge amowlt of tat in the form of gold dust were recieved by them. Tatila were last satraps of them and were a
terminal between east and west in Achamaenian period.
Assist of Indian in the Darius III war with Alexander were mentioned by the ancient chronicles. and last aim of Alexander were taken rule over there. by the death of Alexander in Babolynia his try'ing for making a united world under his authority were undo.
In this article we are investigating the political situation in the achamaenian period in the eastem Iran till the death of Alexander and trying to gave more light to the dark age in this region.