warm summers. There was low precipitation and high humidity for much of the year except during the short monsoon rains. Economy and transport Karachi was, and still is, the financial capital of Pakistan, accounting for the largest share of the nation's GDP and generating the largest share of the national revenue. The State Bank of Pakistan and most commercial banks had their headquarters in Karachi together with Pakistan's first and largest stock exchange - the KSE now PSX. The FCT was served by the old Quaid-e-Azam International Airport (now Jinnah International Airport) terminal which is now used for Hajj flights and cargo facilities. In addition, there was an airport at Mauripur which is now the Masroor Pakistan Air Force base. In 1947, Karachi had the only major port in western Pakistan while Chittagong was the main port for eastern Pakistan. The city was linked to the rest of West Pakistan by railway with the main stations at Karachi City Station and Karachi Cantonment Station. See also Karachi Gulberg Town Federal 'B' Area Islamabad Capital Territory References External links The City-District Government of Karachi Former subdivisions of Pakistan Karachi Capital districts and territories