Rourkela is a planned city located in the northern district Sundargarh of Odisha, India. It is the third-largest Urban Agglomeration in Odisha after Bhubaneswar and Cuttack. It is situated about 328 kilometres (204 mi) west of state capital Bhubaneswar and is surrounded by a range of hills and encircled by the rivers Koel, Sankha, & Brahmani. The city is also popularly known as Ispat Nagar and Steel City of Odisha as well. One of the largest integrated steel plants set up with German collaboration Known as Rourkela Steel Plant, of Steel Authority of India Limited (SAIL). It also has one of the premier national level technical institute known as National Institutes of Technology (NIT Rourkela). Every year, on 3 March Rourkela Day has been celebrated.

Sundargarh is a town in Sundergarh district of the Indian state of Odisha. As of 2011 census, the municipality had a population of 45,036. Sundargarh is recognized as an industrial district in Odisha. Steel, fertilizer, cement, ferrovanadium, machine-building, glass, china-clay plants and factories, and spinning mills are some of the major industries of this district. Sundargarh occupies a prominent position in the mineral map of Odisha and is rich in iron ore, limestone, and manganese.