Bengaluru, also known as Bangalore, is the capital and largest city of the southern Indian state of Karnataka. As per the 2011 census, the city had a population of 8.4 million, making it the third most populous city in India and the most populous in South India. The Bengaluru metropolitan area had a population of around 8.5 million, making it the fifth most populous urban agglomeration in the country. It is located near the center of the Deccan Plateau, at a height of 900 m (3,000 ft) above sea level. The city is known as India's "Garden City", due to its parks and greenery.