Dhaka is the capital of Bangladesh and the principal city of Dhaka Division. Dhaka is a megacity and one of the major cities of South Asia. It is located on the banks of the Buriganga River. Dhaka, along with its metropolitan area, had a population of over 16 million in 2011, making it the largest city in Bangladesh. It is the 9th largest city in the world and also 28th among the most densely populated cities in the world. Dhaka is known as the City of Mosques and with 400,000 cycle rickshaws running on its streets every day, the city is also described as the Rickshaw Capital of the World.