Natanebi
The Natanebi is a river in western Georgia, located in the region of Guria. It originates on the northern slope of the Meskheti Range, at an altitude of 2,548 m above sea level. It flows into the Black Sea near Shekvetili. It is long, and has a drainage basin of.
The Natanebi corresponds to the ancient River Isis, described by Greek historian Arrian of Nicomedia in his Periplus of the Euxine Sea.