Lahore is a city.
Lahore . It is the second most populous city in Pakistan and the 32nd most populous city in the world . Lahore is ranked as a beta - world city , and is one of Pakistan 's wealthiest cities with an estimated GDP of $ 58.14 billion ( PPP ) as of 2014 . Punjab ( Urdu , Punjabi : , panj-āb , `` five waters '' : ) , is Pakistan 's second largest province by area after Balochistan , and its most populous province with an estimated population of 101,391,000 as of 2015 .