Striysko-Syanskaya Verkhovina[1] (Ukrainian: Стри́йсько-Ся́нська Верхови́на) - part of Eastern Beskids within Sambir and Stryi Raions, Lviv Oblast.
The Carpathians are a "subsystem" of a bigger Alps-Himalaya System that stretches from the western Europe all the way to southern Asia, and are further divided into "provinces" and "subprovinces". There are three major provinces (regions): Western Carpathians, Eastern Carpathians, and Southern Carpathians.
Striysko-Syanskaya Verkhovina is part of the Eastern Carpathians and is located in the upper reaches of rivers Opir River,[2] Stryi River and San River.
On the territory there Protected areas Nadsyansky Regional Landscape Park,[3] zakaznik "Pikui" and zakaznik Berdo.[4]