Megacity and state capital in Maharashtra, India
Mumbai is the capital city of the Indian state of Maharashtra. As of 2011 it is the most populous city in India with an estimated city proper population of 12.4 million. The larger Mumbai Metropolitan Region which includes nearby areas like Navi Mumbai, Thane, Kalyan, Dombivli, Vasai-Virar, Ulhasnagar, Ambarnath, Bhiwandi and Panvel is the second most populous metropolitan area in India and one of the most populous in the world, with a population of over 20 million. Mumbai lies on the Konkan coast on the west coast of India and has a deep natural harbour. In 2008, Mumbai was named an alpha world city. It is also the wealthiest city in India, and has the highest number of millionaires and billionaires among all cities in India. Mumbai is home to three UNESCO World Heritage Sites: the Elephanta Caves, Chhatrapati Shivaji Maharaj Terminus, and the city's distinctive ensemble of Victorian and Art Deco buildings.