Bokaro, officially known as Bokaro Steel City, is a large and planned city in Jharkhand, India. It is the fourth most populous city in the state and one of the first planned cities of India. Bokaro is the administrative headquarters of Bokaro district. The city is located on the banks of Garga River and on the fringes of Bokaro river and is surrounded by hill ranges at Giridih and Ramgarh districts. It is one of the most peaceful cities in India. As per 2011 census, the city's population was 563,417 and 1,100,000 of its metropolitan area. The city span across 183 km in geographic area.