Subcarpathian Rus' is a historical region located in the eastern part of Czechoslovakia, now primarily in Ukraine. It is situated in the Carpathian Mountains and is known for its diverse ethnic groups, including Ukrainians, Hungarians, and Slovaks. The area has a rich cultural heritage, influenced by various historical events and neighboring countries. The region was part of the Austro-Hungarian Empire until the end of World War I, after which it became part of Czechoslovakia. Following World War II, it was incorporated into the Ukrainian Soviet Socialist Republic. Today, Subcarpathian Rus' is recognized for its unique traditions, languages, and scenic landscapes.