Kowloon is one of the three areas of Hong Kong, along with Hong Kong Island and the New Territories. It is an urban area comprising the Kowloon Peninsula and New Kowloon. It has a population of 2,019,533 and a population density of 43,033/km2 (111,450/sq mi) in 2006. It is the smallest, second most populous, and most densely populated of the divisions.