Caspian Sea Dead Sea Black Sea Caspian Sea Black Sea Red Sea Red Sea Dead Sea
Azerbaijan Georgia Turkey Iran
Soviet Union Arabs Spanish Turkey
135 million 3.5 million 350 000 35 million
Georgia Turkey Turkey Iran Azerbaijan Iran Azerbaijan Iraq
Crimean Astrophysics Observatory Tartu Observatory Byurakan Observatory Moletai Astronomical Observatory
Rouble Drachma Dinar Dram
Russians Arabs Spanish Ottoman Turks
350 000 35 million 3.5 million 35 000
1998 1978 1968 1988