西コーカサス
The Western Caucasus also contains the Caucasus Nature Reserve (Russian Кавказский государственный природный биосферный заповедник), nature reserve (IUCN management category Ia ) set up by the Soviet government in Krasnodar Krai, Adygea and Karachay–Cherkessia in 1924 to preserve some 85 m-high specimens of the Nordmann Fir ("Abies nordmanniana"), thought to be the tallest trees in Europe, and a unique forest formed by English Yew ("Taxus baccata") and European Box ("Buxus sempervirens") within the city of Sochi.