Islamabad
Islamabad (; ) is the capital city of Pakistan, and is federally administered as part of the Islamabad Capital Territory. Built as a planned city in the 1960s to replace Karachi as Pakistan's capital, Islamabad is noted for its high standards of living, safety, and abundant greenery.
Geography of Lahore
Lahore is the capital of Pakistan's largest province, Punjab; with a population exceeding 10 million, it is a megacity and ranked as the country's second largest metropolis (after Karachi). Collectively, it is also the fifth largest city in South Asia and the 26th largest city in the world in terms of population. As a major urban centre of Pakistan, it was graded in 2008 as a city with high sufficiency to become a Gamma world city.