mountain range extending across central Bulgaria, from the W border to the Black Sea: highest peak, c. 7,800 ft (2,377 m)
See Balkan Mountains in American Heritage Dictionary 4
also Balkans
A major mountain range of southeast Europe extending about 563 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 2,377.2 m (7,794 ft).