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.
Borders of Azerbaijan
Although as a landlocked country, Azerbaijan has no access to the open sea (hence the ocean), it has a coastline of 713 km on the Caspian Sea, which is a lake or a closed sea depending on various definitions and interpretations. Because of its large size and being bordered by five countries, it has (still partially undefined) maritime borders and naval forces by all five Caspian littoral states. Azerbaijan's maritime boundaries with Russia and Kazakhstan have been determined, but is still disputed with Iran and Turkmenistan.