"Balkan Mountains." YourDictionary, n.d. Web. 05 December 2018. <https://www.yourdictionary.com/balkan-mountains>.
Balkan Mountains. (n.d.). Retrieved December 05th, 2018, from https://www.yourdictionary.com/balkan-mountains
A major mountain range of southeast Europe extending about 560 km (350 mi) from eastern Serbia through central Bulgaria to the Black Sea. The Balkans are a continuation of the Carpathian Mountains and rise to 2,376 m (7,795 ft).