Battle of Ecbatana Antiochus then dispersed his army into their winter quarters. However, the cities soon revolted against their presence. Phraates exploited the situation and attacked him as he marched to reinforce a garrison, inflicting a crushing defeat upon him at the Battle of Ecbatana. During the battle, Antiochus VII was killed and his royal guard was annihilated. After this, the rest of his army was largely destroyed, and the remainder was captured and folded into Parthian ranks. This battle marked the decisive and final defeat for the Seleucid Empire by the Parthians and ended the Hellenistic period in Iran. Battle of Ecbatana
Ecbatana orange; all these colors with paint. The last two have their battlements coated respectively with silver and gold. All these fortifications Deioces had caused to be raised for himself and his own palace." Herodotus' description is corroborated in part by stone reliefs from the Neo-Assyrian Empire, depicting Median citadels ringed by concentric walls. Other sources attest to the historical importance of Ecbatana based on the terms used by ancient authors to describe it such as "Caput Mediae" (capital of Media), the Royal Seat, and great City. It is said that Alexander the Great deposited the treasures he took from Persepolis