The struggle between the Ottomans and Iranians began after the second half of the 15th centruy. The Ottomans had a decisive victory over the Safevids and at this time the sovereignty of Bayezid Sanjak fell under the hands of the Ottomans. As of this time the Bayezid Sanjak was constantly exchanged between the two states until the last quarter of the 16th century. With the capture of Bayezid by the Ottomans, it became a buffer zone between the Ottoman state and the Safevids. The Ottoman State used the Bayezid Sanjak as a border outpost and it received significant logistic support from the Bayezid during the military expeditions carried out against the Safevids. As Bayezid, located on the serhad border, was frequently attacked, the Sanjak wa...