Chittagong, officially known as Chattogram, is a major coastal city and financial centre in southeastern Bangladesh. The city has a population of more than 2.5 million while the metropolitan area had a population of 4,009,423 in 2011, making it the second-largest city in the country. It is the capital of an eponymous District and Division. The city is located on the banks of the Karnaphuli River between the Chittagong Hill Tracts and the Bay of Bengal. Modern Chittagong is Bangladesh’s second most significant urban center after Dhaka.