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
Bagaran (ancient city) south of the site of the ancient city. Nowadays, a small Kurdish-populated village called Kılıttaşı partially lies on the ruins of Bagaran, on the Turkish side of the closed border. According to the Armenian historian Joseph Orbeli, the Church of Saint Theodore of Bagaran was one of the most prominent examples of early medieval Armenian architecture. It was largely intact until 1920. However, it was deliberately destroyed by the Turkish authorities. Bagaran (ancient city) Bagaran (), was a city in Ancient Armenia founded during the reign of the Orontid Dynasty. It is one of the Historical capitals of ancient Armenia.