Caspian Sea
The sea has a surface area of 371,000 km (143,200 sq mi) (not including the detached lagoon of Garabogazköl) and a volume of 78,200 km(18,800 cu mi). It has a salinity of approximately 1.2% (12 g/l), about a third of the salinity of most seawater.
List of rivers of Azerbaijan
The Caspian Sea is an endorheic basin, which is a closed drainage basin, because the Caspian Sea has no outflows to an ocean.