meant to illustrate the probable peace made between Ardashir I and the Kingdom of Armenia. When the Arsacid house of Armenia was abolished and the country was made a Sasanian province in 428, Nor Shirakan and Paytakaran were incorporated into the Sasanian province of Adurbadagan.

Two archeological sites showing inhabitation during the Sasanian era has been found near Salmas. One of them is known as Haftan Tepe,