<Ul> <Li> Greater Tehran: A region located in Iranian Tehran and Alborz Province in central Northern Iran with its influence expanding in Qom Province, Qazvin Province and Mazandaran Province, home for at least 15 million people, it is one of the most populous urban areas in the Greater Middle East and the surrounding regions . Tehran was a small village 200 years ago when it was first chosen as the Capital city and it has been growing at a very fast rate . </Li> </Ul> <Li> Greater Tehran: A region located in Iranian Tehran and Alborz Province in central Northern Iran with its influence expanding in Qom Province, Qazvin Province and Mazandaran Province, home for at least 15 million people, it is one of the most populous urban areas in the Greater Middle East and the surrounding regions . Tehran was a small village 200 years ago when it was first chosen as the Capital city and it has been growing at a very fast rate . </Li> <P> (all figures extrapolated from end of 2014 and end of 2015 figures of, to middle of year 2016) </P> <Ul> <Li> Greater Istanbul: Includes Istanbul city proper, with continuous urbanization spilling over to neighboring provinces, as well as nearby dense population and highly industrialized areas . Istanbul, eastern counties of Tekirdağ province, entire coast of Izmit bay, and Adapazarı add up to 17.5 million population . </Li> <Li> Other major cities: Ankara (5 million), Izmir (includes satellites Torbalı - Aliağa - Urla - Manisa to add up to 4 million), Adana - Tarsus - Mersin (3 million), Bursa (2.1 million) </Li> </Ul>

According to figure 7.1 what mountain chain is present along the megalopolis region