The Treaty of Constantinople, Russo-Ottoman Treaty or Treaty of the Partition of Persia was a 1724 treaty between the Ottoman Empire

Ottoman Empire

The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...

 and the Russian Empire

Russian Empire

The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

, dividing large portions of the territory of Persia between them.

The Russians and the Ottomans were engaged in a race to occupy more Persian territories and were about to engage in a war over the occupation of Gandjeh when France intervened. With France as intermediary, the two governments signed a treaty in Constantinople

Istanbul

Istanbul , historically known as Byzantium and Constantinople , is the largest city of Turkey. Istanbul metropolitan province had 13.26 million people living in it as of December, 2010, which is 18% of Turkey's population and the 3rd largest metropolitan area in Europe after London and...

 on June 12 1724, dividing a large portion of Persia between them. Thus, the lands located on the east of the conjunction of the rivers Kurosh

Kura River

Kura is a river, also known from the Greek as the Cyrus in the Caucasus Mountains. Starting in north-eastern Turkey, it flows through Turkey to Georgia, then to Azerbaijan, where it receives the Aras River as a right tributary, and enters the Caspian Sea...

 (Kur) and Aras were given to the Russians and the lands on the west went to the Ottomans.