Islamabad completed in March 2015. The Rawalpindi Development Authority built the project at a cost of approximately Rs 24 billion, which was shared by both the Federal government and the provincial government of Punjab. Islamabad is located at at the northern edge of the Pothohar Plateau and at the foot of the Margalla Hills in Islamabad Capital Territory. Its elevation is . The modern capital and the ancient Gakhar city of Rawalpindi form a conurbation, and are commonly referred to as the Twin Cities. To the northeast of the city lies the colonial era hill station of Murree, and to the
Capital Development Authority (Islamabad) Capital Development Authority (Islamabad) Capital Development Authority (, abbreviated as CDA), is a public benefit corporation responsible for providing municipal services in Islamabad Capital Territory. The CDA was established on 14 June 1960 by executive order entitled "Pakistan Capital Regulation". As of 2016, most of CDA's municipal services and departments have been transferred to the newly created Islamabad Metropolitan Corporation, although CDA is still in charge of estate management, project execution and sector developments. Yahya Khan was designated its first Chairman, when he was a Lieutenant General. The Capital Development Authority developed the CDA Model School in Islamabad in 1970.