In 622 , Heraclius counter-attacked against the Sasanian Empire in Anatolia .
By 621 , the province was securely in Sasanian hands , and a certain Sahralanyozan was appointed as its governor .
In 622 , Heraclius counter-attacked against the Sasanian   in Anatolia .
By 621 , the province was securely in Sasanian hands , and a certain Sahralanyozan was appointed as its governor .