Environment of Azerbaijan
The Caspian Sea is the largest lake on Earth by both area and volume, with a surface area of 371,000 square kilometres (143,244 mi²) and a volume of 78,200 cubic kilometres (18,761 mi³). It is a landlocked endorheic body of water and lies between Asia and Europe. It has a maximum depth of about . It is called a sea because when the Romans discovered it they tasted the water and found it to be salty. It has a salinity of approximately 1.2 percent, about a third the salinity of sea water.
Caucasus
The Caucasus or Caucasia is a mountain range and also a regional term used to describe an area situated between the Black Sea and the Caspian Sea and occupied by Russia, Georgia, Azerbaijan, and Armenia. It is home to the Caucasus Mountains including the Greater Caucasus mountain range, which has historically been considered a natural barrier between Eastern Europe and Western Asia, but is today accepted by the majority of scholars as being part of Asia.