Afghanistan is a place.
Afghanistan . It has a population of 33 million , making it the 42nd most populous country in the world . It is bordered by Pakistan in the south and east ; Iran in the west ; Turkmenistan , Uzbekistan , and Tajikistan in the north ; and China in the far northeast . Its territory covers 652,000 km2 , making it the 41st largest country in the world . Afghanistan is a unitary presidential Islamic republic with Islam as an official state religion .