Sisupalgarh
Khordha district, India
Sisupalgarh or Sisupalagada (Odia: [sisupaːl̪ɔɡɔɽɔ]) is situated in Khurda District in Odisha, India, and houses ruined fortifications. First inhabited around 7th to 6th centuries BCE, it is one of the largest and best-preserved early historic fortifications in India, and was once the capital of ancient Kalinga. It is identified with Kalinganagara of Kharavela and Tosali of Ashoka.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).