Sambalpur State, also known as Hirakhand Kingdom was a kingdom founded in 1570. It ruled over Western Odisha and Eastern Chhattisgarh in central-eastern India prior to the Maratha occupation in 1800 AD. From 1849 AD it was integrated with British Raj as a British District. Its capital was present-day Sambalpur city in Western Odisha.
Former state of Sambalpur as a British district in pink in the Imperial Gazetteer of India
The old fort of Sambalpur in 1825
Chauhan, a name derived from the historical Chahamanas, a clan name associated with various ruling Rajput families in the present-day Indian state of Rajasthan from seventh century onwards.
Coin of the Chahamana of Ajmer ruler Vigraharaja IV, circa 1150–1164 CE.
Drachms of the Chahamanas of Ranastambhapura.
Stamp depicting Prithviraj Chauhan, a medieval Hindu ruler of North India