Islamabad-Rawalpindi metropolitan area Islamabad-Rawalpindi metropolitan area The Islamabad-Rawalpindi metropolitan area is Pakistan's third most populous metropolitan area. It consists principally of the twin cities of Islamabad and Rawalpindi, along with smaller towns such as Murree, Wah Cantonment, Taxila, Gujar Khan, Golra Sharif, and several gated suburbs including Bahria Town and DHA Islamabad. Covering the Pothohar Plateau, the area consists of the ancient town of Taxila, which is a World Heritage Site; the colonial cities of Rawalpindi and Murree, and the modern planned city of Islamabad. The region received a major boom with the construction of Islamabad as the capital city of Pakistan in
Sectors of Islamabad all planned and constructed sectors. Sectors of Islamabad Sectors of Islamabad are administrative divisions of Zone I and Zone II of the Islamabad Capital Territory region. The capital territory is divided into 5 zones, of which Zone I and Zone II have been designated urban development zones. Each square shaped sector is named by combining Latin letters and numerals together. The sector letters increase north to south from A through O, while sector number increases east to west from 1 through 20. However, at present time, sectors A thru I and 5 thru 18 are currently open for urban development.