Morocco
A physical map of Europe is located in the link below. It seems that the most mountainous region of Europe is either Central Europe or Eastern Europe.
Sweden is the most mountainous Scandinavian country.
The region with the most mountainous terrain is the Himalayas in Asia. It spans across five countries - Nepal, India, Bhutan, China, and Pakistan - and includes the world's highest peak, Mount Everest.
NEar the biggest buddha statue and the eastern side of Asia. Eastern China is not very inhabitable because of its mountainous region
Norway.
Norway
The answer is peru!
St. Lucia
Norway
Probably in the Nordic nations.
Iran is the only country which fits this build.