Pakistan ( [ pɑːkᵻˈstɑːn ] [ ) , officially the Islamic Republic of Pakistan ( [ ) , is a federal parliamentary republic in South Asia on the crossroads of Central and Western Asia . It is the sixth-most populous country with a population exceeding 201 million people . In terms of area , it is the 33rd-largest country spanning 881,913 km2 . Initially a dominion , Pakistan adopted a constitution in 1956 , becoming an Islamic republic . A regional and middle power , Pakistan has the sixth-largest standing armed forces in the world and is also a nuclear power as well as a declared nuclear-weapons state , being the second in South Asia and the only nation in the Muslim world to have that status .
Pakistan is a store.