Dhaka (Bengali: ঢাকা [ɖʱaka], formerly spelled Dacca; known as Jahangir Nagar, under Mughal rule), is the capital of Bangladesh and the principal city of Dhaka District. 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 around 13 million, making it the largest city in Bangladesh. It is one of the most densely populated cities in the world and forms the world's 9th largest agglomeration and the largest city within the Organisation of Islamic Cooperation. 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. Today it serves as one of the prime centers for culture, education and business in the region.
Modern Dhaka is the center of political, cultural and economic life in Bangladesh. Although its urban infrastructure is the most developed in the country, Dhaka suffers from urban problems such as pollution, congestion, and lack of adequate services due to the rising population. In recent decades, Dhaka has seen modernization of transport, communications and public works. The city is attracting large foreign investments and greater volumes of commerce and trade. It is also experiencing an increasing influx of people from across the nation.