A siege of Martyropolis occurred in the Autumn of 531 during the Iberian War between the Sasanian Empire under Kavadh I and the Byzantine Empire under Justinian I.
A Roman raid from Martyropolis triggered the Sasanians to launch a siege on the newly fortified frontier city. Although the Sasanians had the upper hand, a series of political developments coupled with logistical issues led them to withdraw. It was the last conflict of the Iberian War.
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