Where specifically is the balkan peninsula?

The Balkans are bordered by the Adriatic Sea on the northwest, the Ionian Sea on the southwest, the Mediterranean and Aegean Sea on the south and southeast, and the Black Sea on the east and northeast. The highest point of the Balkans is Mount Musala 2,925 metres (9,596 ft) on the Rila mountain range in Bulgaria.

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.