Khosrau II
The city was later besieged and captured by the Persians under Khosrau I in 573–574, but was returned to the Romans by Khosrau II after the Roman-Persian treaty in 590. It was taken again by Khosrau II in 604–05 after a nine-month siege, recovered again for the Roman Empire by Heraclius. Finally captured in 639 by the Arab Muslims, the city then lost its military significance, declined and was eventually abandoned.