Krubera Cave is located in Georgia (country)

Krubera Cave (Abkhazian: Ӡоу Аҳаҧы, Georgian: კრუბერის გამოქვაბული or კრუბერის ღრმული, romanized: k'ruberis gamokvabuli or k'ruberis ghrmuli; also known as Voronya Cave, sometimes spelled Voronja Cave) is the second-deepest-known cave on Earth, after the Veryovkina Cave. It is located in the Arabika Massif of the Gagra Range of the Western Caucasus, in the Gagra district of Abkhazia,^{[note 1]} a breakaway region of Georgia.^[1]

• http://en.wikipedia.org/wiki/Krubera Cave