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
Islamabad Capital Territory I-8 to I-18. With the exception of I-8, which is a well-developed residential area, these sectors are primarily part of the industrial zone. Currently two sub-sectors of I-9 and one sub-sector of I-10 are used as industrial areas. CDA is planning to set up Islamabad Railway Station in Sector I-18 and Industrial City in sector I-17. Zone III consists primarily of the Margalla Hills and Margalla Hills National Park. Rawal Lake is in this zone. Zone IV and V consist of Islamabad Park, and rural areas of the city. The Soan River flows into the city through Zone V. While