As it was first observed near the mouth of the river Kur it has been named Cia pea Kurensis.
They appropriated the territory up to the Kur and the Aras, and roamed at large through Iberia, Georgia and Armenia.
The southern boundary never greatly altered; it did at times reach the Kur and the Aras, but on that side the Khazars were confronted by Byzantium and Persia, and were for the most part restrained within the passes of the Caucasus by the fortifications of Dariel.
The Buyids, and especially Adod addaula (Azud-ed-Dowleh, and similar forms), ruled Bagdad wisely and improved the city by great public works such as the great dike, still known as the Bend Amir on the Kur (Cyrus) near Persepolis.
Again war all but broke out; but, through the intervention of France, a treaty of partition was signed at Constantinople on the 23rd of June 1724, whereby the shores of the Caspian from the junction of the Kur and the Arras (Araxes) northwards should belong to Russia, while the western provinces of Persia should fall to the share of Turkey.
Of Shiraz, not far from where the small river Pulwar flows into the Kur (Kyrus).
Some rivers, notably the Kur (Kyros, Araxes) which flows into the Bakhtegan lake east of Shiraz, drain into inland depressions or lakes.