Sochi is a city in Krasnodar Krai, Russia, on the Black Sea coast, close the border with Georgia/Abkhazia. The Greater Sochi region, which comprises territories and settlements subordinated to Sochi proper, covers 3,526 square kilometers (1,361 square miles) and stretches for 145 kilometers (90 miles) along the Black Sea coast towards the Caucasus Mountains. The city proper has an area of 176.77 square kilometers (68.25 sq mi). The city has a permanent population of 343,334, up from 328,809 in the 2002 Census, making it Russia’s biggest resort city, according to the 2010 Census. It is one of the few areas in Russia with a subtropical climate, with warm to hot summers and moderate winters, since it is part of the Caucasian Riviera.
Sochi hosted the XXII Olympic Winter Games and XI Paralympic Winter Games in 2014, with the alpine and Nordic competitions conducted in the adjacent ski resort of Roza Khutor in Krasnaya Polyana, as well as the Russian Formula 1 Grand Prix from 2014 until at least 2020. It will also be one of the 2018 FIFA World Cup host cities.