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.
Austria is in Central Europe.
Europe.If by "contient" you mean continent, then the answer to your question is: Europe.europe xd
The Balkans.
Liechtenstein is land-locked country in Europe, between Switzerland and Austria.
Belgium is located in northwestern Europe. It is bordered by France, the Netherlands, Germany, and Luxembourg.
Greece is located in the region of southeastern Europe.
It's a desert in the Semi Arid region in Europe :)
The country of Austria-Hungary divided into the individual countries Austria and Hungary after WW1 but it was located in Europe.
Poland is not located in Asia. It is in the continent of Europe.
Ukraine is located in Eastern Europe. It shares borders with countries such as Russia, Belarus, Poland, and others.
Austria is located on the European continent.