The course of the Volga is divided into three parts: the upper Volga (from its source to t.... volga confluenc

The course of the Volga is divided into three parts: the upper Volga (from its source to the confluence of the ), the middle Volga (from the confluence of the Oka to that of the ), and the lower Volga (from the confluence of the Kama to the mouth of the Volga itself). (Between the Samara Bend and Volgograd it receives only the relatively small left-bank tributaries of the Samara, Bolshoy Irgiz, and Yeruslan.) Above Volgograd the Volga's main distributary, the Akhtuba, branches southeastward to the Caspian Sea, running parallel to the main course of the river, which also turns southeast. volga confluenc