Which of these countries has the highest mountain?
Musala is the highest peak in the entire Balkan Peninsula, standing at 2,925 m (9,596 ft). The summit of the Rila mountain range in southwestern Bulgaria, Musala is the highest peak between the Alps and the Caucasus and the highest in Eastern Europe bar the Caucasus. With a prominence of 2473 m, Musala is the 7th most prominent mountain peak in Europe.