The Treaty of Zuhab(Persian: عهدنامه زهاب, Ahadnāmah Zuhab), also called Treaty of Qasr-e Shirin (Turkish: Kasr-ı Şirin Antlaşması), signed on May 17, 1639, ended the Ottoman-Safavid War of 1623–1639. It confirmed territorial divisions in West Asia, shaping the borders between the Safavid and Ottoman Empires and serving as a foundation for future agreements.