The Treaty of the Dardanelles (also known as the Dardanelles Treaty of Peace, Commerce, and Secret Alliance, the Treaty of Çanak, the Treaty of Chanak or Turkish: Kale-i Sultaniye Antlaşması) was concluded between the Ottoman Empire and Great Britain on 5 January 1809 at Çanak, Ottoman Empire. The treaty ended the Anglo-Turkish War. The Porte (the Ottoman government) restored extensive British commercial and legal privileges in the empire.