The largest river is the Kura River, which flows 1,364 km from northeast Turkey across the plains of eastern Georgia, through the capital, Tbilisi, and into the Caspian Sea. The Rioni River, the largest river in western Georgia, rises in the Greater Caucasus and empties into the Black Sea at the port of Poti.
The Kura River is the longest waterway, spanning 1,364 km from northeast Turkey across eastern Georgia's plains to the Caspian Sea. In contrast, the Rioni River, the largest river in western Georgia, originates in the Greater Caucasus and flows into the Black Sea at Poti.