Caucasus – Drainage basins
Abkhazia, Armenia, Artsakh, Asia, Azerbaijan, Black Sea, Caspian Sea, Caucasus, Ciscaucasia, drainage basin, Europe, Georgia, hydrographic basin, Iran, Lesser Caucasus, mountains, North Caucasus, Persian Gulf, river, Russia, South Ossetia-Alania, Transcaucasia, Turkey 
Source: Wikipedia
See also