Hyderabad, the capital of Indian state of Telangana, is located in the central part of the Telangana. Geographically the city is located in the northern part of Deccan plateau, in Southern India on the banks of Musi River. The modern Hyderabad is spread over an area of , making it one of the largest metros in India. The predominant topography of the city is sloping rocky terrain of grey and pink granites. Some locations with higher altitude are scattered throughout, giving rise to the appearance of several small hillocks. Hyderebad has an average altitude of about above mean sea Level (MSL), while the highest point in the city is Banjara Hills at . The city houses multiple lakes and large water tanks. The lakes in the city are often referred to as sagar which means sea. The Hussain Sagar lake, built in 1562, is located at the heart of the city. The Osman Sagar and Himayat Sagar are two artificial lakes created as a result of dams on Musi River. the Hyderabad houses 140 large and small size lakes in and around its neighborhood and As of 1996, there are 834 water tanks of below the size of 10 hectare.