Shahrbaraz , however , disobeyed , and moved to Asuristan , where he set up a camp in Ardashir Khurrah .
In 627 , Khosrow sent Shahrbaraz a letter , which said that he should send his army to Ctesiphon .
Shahrbaraz , however , disobeyed , and moved to Asuristan , where Shahrbaraz set up a camp in Ardashir Khurrah .
In 627 , Khosrow sent Shahrbaraz a letter , which said that he should send his army to Ctesiphon .