Georgia (republic) (in Georgian, Sakartvelo), officially Republic of Georgia, republic in the Transcaucasia region of western Asia, bordered by the black Sea on the west, Russia on the north, and Azerbaijan, Armenia, and Turkey on the south. Formerly the Georgian Soviet Socialist Republic (SSR) of the Union of Soviet Socialist Republics (USSR), Georgia includes two autonomous republics-Abkhazia and Adzharia (Ajaria)-and one autonomous region-South Ossetia. Tbilisi is the capital and largest city.