Afghanistan, Islamic State of Afghanistan - a mountainous landlocked country in central Asia; bordered by Iran to the west and Russia to the north and Pakistan to the east and south; "Soviet troops invaded Afghanistan in 1979"

Islamic Republic of Pakistan, Pakistan, West Pakistan - a Muslim republic that occupies the heartland of ancient south Asian civilization in the Indus River valley; formerly part of India; achieved independence from the United Kingdom in 1947

Hindu Kush, Hindu Kush Mountains - a mountain range extending west of the Himalayas

mountain pass, notch, pass - the location in a range of mountains of a geological formation that is lower than the surrounding peaks; "we got through the pass before it started to snow"