Georgia (საქართველო Sak'art'velo), known officially from 1990 to 1995 as the Republic of Georgia (2005 est. pop. 4,677,000), is a country to the east of the Black Sea, most of which is located in the South Caucasus, while a portion of the territory lies in the North Caucasus. A former republic of the Soviet Union, it shares borders with Russia in the north and Turkey, Armenia, and Azerbaijan in the south, area 69,700 sq km (26,900 sq mi). Georgia is an amazing cluster of cultures, religions, fascinating landscapes and ancient history. The country where everyone can find something to his liking - from snowy peaks to subtropical shores, from deserts to lush forests, from cities to enchanting villages. Ethnic Georgians constitute a majority of the population. The official language is Georgian, one of the oldest languages in the world. Tbilisi is the capital and by far the largest city.