With a rich history dating back over a millennium, Lahore is a main cultural centre of the Punjab region and Pakistan, and is the largest Punjabi city in the world. The city remains an economic, political, transportation, entertainment, and educational hub of Pakistan. The heart of Lahore is the Walled or Inner City, a very densely populated area of about one square kilometre. Founded in legendary times, and a cultural centre for over a thousand years, Lahore has many attractions to keep the tourist busy.