Mumbai also known as Bombay is the capital of the Indian state of Maharashtra. As of 2018, Mumbai is the second most populous city in India after Delhi and the eighth most populous city in the world, with a population of approximately 2 crores (20 million), according to the United Nations. According to the Government of India 2011 census, Mumbai was the most populous city in India with an estimated population of 1.25 crore (12.5 million) living in the Municipal Corporation of Greater Mumbai. Mumbai is the center of the Mumbai metropolitan area, the sixth most populous metropolitan area in the world with a population of over 2.3 crore (23 million). Mumbai is located on the Konkan coast on the west coast of India and has a deep natural harbour.
In 2008, Mumbai was named the Alpha World City. It has the largest number of millionaires and billionaires among all cities in India. The seven islands that make up Mumbai were formerly home to many communities of the Marathi speaking Koli people. For many centuries, the seven islands of Bombay were under the control of successive indigenous rulers before being ceded to the Portuguese Empire and subsequently the East India Company in 1661. After Indian independence in 1947, the city was incorporated into the state of Bombay. In 1960, following the Samyukta Maharashtra movement, a new state of Maharashtra was created with Bombay as its capital.
Mumbai-financial, commercial. and entertainment capital of India. It is also one of the world's top ten trading centers in terms of global financial flow. generating 6.16% of India's GDP, and accounting for 25% of industrial production, 70% of maritime trade in India (Mumbai Port Trust and AIS Jubail), and 70% of capital transactions in the Indian economy.
Mumbai has the eighth highest number of billionaires of any city in the world and Mumbai's billionaires had the highest average wealth of any city in the world in 2008. The city hosts important financial institutions and the corporate headquarters of numerous Indian companies and multinational corporations. It is also home to some of India's leading scientific and nuclear institutes. Mumbai is the manufacturing hub.