Caspian Sea of around 149,200 square miles (386,400 square km)— bigger than the region of Japan—and its surface lies somewhere in the range of 90 feet (27 meters) below sea level. The sea bed in the southern part reaches as low as 1,023 m (3,356 ft) below sea level, which is the second lowest natural depression on earth after Lake Baikal (−1,180 m, −3,871 ft). The ancient inhabitants of its coast perceived the Caspian Sea as an ocean, probably because of its saltiness and large size. The sea has a surface area of 371,000 km (143,200 sq mi) (not including the detached
Extreme points of the Commonwealth of Nations Kilimanjaro, which has a prominence of , making it the fourth-most prominent peak in the world. The result is significantly different (K2 is only the 22nd-most prominent peak in the world), due to the proximity of Mount Everest to K2. The lowest point in the Commonwealth by elevation below sea level is the shore of Lake Eyre, which lies at 28°22′S 137°22′E, in Australia. It lies approximately below sea level. Extreme points of the Commonwealth of Nations This is a list of the extreme points of the Commonwealth of Nations — the points that are farther north, south, east or