Yes, the Alps run through it.
No, Southern Europe is more mountainous.
The southern part of Eastern Europe, or Southeastern Europe, is the most mountainous part of Eastern Europe.
Portugal
Southern Europe's landscape can be described as mostly mountainous.
Yes. Southern Europe is more mountainous than Northern Europe
Portugal
Yes, the Alps run through it.
Most likely Portugal.
Mountainous climates are generally colder than others, so in this case, it would be colder in the mountains than in the rest of Southern Europe.
a small mountainous country in Europe
Switzerland is the most mountainous country in Europe.
Switzerland has the most mountainous terrain in Europe.