caucasia

noun

1. Caucasus(def 2).

noun

1. a region in SW Russia, Georgia, Armenia, and Azerbaijan, between the Caspian Sea and the Black Sea: contains the Caucasus Mountains, dividing it into Ciscaucasia in the north and Transcaucasia in the south; one of the most complex ethnic areas in the world, with over 50 different peoplesAlso called: the Caucasus