History of Islamabad their way to invade the Indian Subcontinent. A Buddhist town once existed in the region and remains of a stupa have been identified in the G-12 sector. Modern Islamabad also incorporates the old settlement of Saidpur. The British took control of the region from the Sikhs in 1849 and built Asia's largest cantonment in the region in Rawalpindi. When Pakistan gained independence in 1947, Karachi was its first capital. In 1960, Islamabad was constructed as a forward capital. It is considered by some as one of the most extensively and successfully planned cities in South Asia. History of Islamabad The
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.