Bulgaria
Bulgaria.
Serbia and Bulgaria
THEY ARE IN EUROPE THEY ARE IN BULGARIA!
A common mountain range covering Bulgaria and Serbia is called the Balkan Mountains (in Bulgarian also called 'Stara Planina')
Bulgaria and Serbia.
Bulgaria
Yes, it has lots of hills and mountains.
Yes, the highest top on the Balkans is situated in Bulgaria in Rila mountain and is called Musala - 2925m
The Rila Mountains are in Bulgaria.
Stara Planina (balcan)
The Balkan Mountain range (in Bulgaria Balkan Mountain is often called the 'Stara Planina' Mountains)