Islamabad is the new capital of Pakistan, a planned city built in the 1960s to move government functions from the largest city, Karachi. Then-President Ayub Khan ordered the move to equalize development across the country.
While it is in a capital district, it is at the intersection of Punjab Province and the Northwest Frontier Province (NWFP), in the Potohar Plateau in the north of Pakistan. Margalla Pass leads to the NWFP. Karachi, in contrast, is a port on the west coast. Its sister city is Rawalpindi, which was the transitional capital to which functions were moved from Karachi.
It is organized into eight zones: