The area is divided into five regions, of which four (Adjara, Guria, Samegrelo, and Abkhazia) are located in Georgia, and one (the Black Sea coast of Krasnodar Krai) is in Russia.
Russia took over much of the Caucasus region after the Russo-Turkish War, and Russians began displacing or killing much of the local Circassian population.
Russian developers in the early 20th century conceived of the area as a "Caucasian Riviera" and began building hotels and spas.
[1] After the break up of the Soviet Union the Caucasian Riviera has lost its popularity because of the War in Abkhazia and the general economic instability in the region.
The mountains don't let the humidity of the Black Sea move east which creates a micro climate with an average temperature of 5 °C (41 °F) in January, and 28 °C (82 °F) in July.