Sectors of Islamabad are administrative divisions of Zone I and Zone II of the Islamabad Capital Territory region.
[1] Each square shaped sector is named by combining Latin letters and numerals together.
The sector letters increase north to south from A to O, while sector number increases east to west from 1 to 20.
However, at present time, sectors A to I and 5 to 18 are currently open for urban development.
This is a list of all planned and constructed sectors.