Where are the mountain ranges which are crossed by the Unai Pass, the Kaoshan Pass and the Salang Pass?

Question

Which mountain range stretches from Austria and Slovenia in the east, through Italy, Switzerland, Liechtenstein and Germany to France in the west?

Answer 1

Afghanistan
The Kaoshan and Salang Passes are across the Hindu Kush in north-eastern Afghanistan, the Unai Pass is across the Safed Koh, or White Mountains, to the south of the Hindu Kush.