Sanjak of Syrmia was an administrative territorial entity of the Ottoman Empire formed in 1541. It was located in the Syrmia region and was part of the Budin Province. Administrative center of the Sanjak of Syrmia was from 1542 Uyluk and in the second half of the 17th century it was Dimitrofça. Most of the sanjak was ceded to Austria according to Treaty of Karlovitz in 1699. Remainder of the territory of sanjak was transferred to Sanjak of Semendire and was later also ceded to Austria according to Treaty of Passarowitz in 1718.