Dhaka (Bengali: ঢাকা, pronounced: [ˈɖʱaka]; English //, //; formerly romanized as Dacca) is the capital of Bangladesh. Located on the Buriganga River in the heart of the Bengal delta, Dhaka has an estimated population of more than 15 million people, making it the largest city in Bangladesh and the 8th largest city in the world. Dhaka is one of the major cities of South Asia. It is known as the City of Mosques, and with 400,000 cycle-rickshaws running on its streets every day, the city is described as the Rickshaw Capital of the World. Dhaka is also one of the world's most densely populated cities.