Pak·i·stan [ páki stàn, pki stn ]country on the Arabian Sea in the northwestern part of South Asia. It rejoined the British Commonwealth in 1989 after withdrawing in 1972. Languages: Urdu. Currency: Pakistani rupee. Capital: Islamabad. Population: 176,242,950 (2009 estimate).
Area: 796,095 sq km (307,374 sq mi) Official name Islamic Republic of Pakistan