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. Located on the banks of the Buriganga River, Dhaka, along with its metropolitan area, has a population of over 12 million, making it the largest city in Bangladesh. It is the 9th largest city in the world and also among the most densely populated cities in the world. Dhaka is known as the City of Mosques and renowned for producing the world's finest muslin. Dhaka is also known as the Rickshaw Capital of the World. Approximately 400,000 cycle rickshaws run each day.