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 drachm, tetradrachm, and assorted bronze denominations. The wealth and importance of the city in the Persian empire is attributed to its location on a crucial crossroads that made it a staging post on the main East-West highway. In 330 BC, Ecbatana was the site of the murder of the Macedonian general Parmenion by order of Alexander the Great. The Tell Hagmatana, also called Tepe Hegmataneh (thought to correspond to the ancient citadel of Ecbatana) has a circumference of 1.4 kilometres with an area of about 40 hectares, which corresponds to a report from Polybius, although the ancient Greek and Roman