Lahore (; Punjabi: لہور; Urdu: لاہور, pronounced [laːˈɦɔːr]) is the capital of the Pakistani province of Punjab. It is the country's 2nd largest city after Karachi and 18th largest city proper in the world. Lahore is one of Pakistan's wealthiest cities, with an estimated GDP of $84 billion (PPP) as of 2019. Lahore is the largest city and historic cultural centre of the wider Punjab region, and is one of Pakistan's most socially liberal, progressive, and cosmopolitan cities.Lahore's origins reach into antiquity. The city has been controlled by numerous empires throughout the course of its history, including the Hindu Shahis, Ghaznavids, Ghurids, and Delhi Sultanate by the medieval era. Lahore reached the height of its splendour under the Mughal Empire between the late 16th and early 18th century, and served as its capital city for a number of years.