Matsya was one of the sixteen Mahajanapadas mentioned in the Buddhist text Anguttara Nikaya. The founder of the kingdom of the Matsya was Virata. It consisted of the present-day Alwar, Jaipur and Bharatpur.
Towards the end of the reign of Rajadhiraja Chola, he sacked the Western Chalukyan capital Kalyanapuram and assumed the title Kalyanapuramgonda Chola and performed a Virabhisheka under the name Vijaya Rajendra Cholan.
Lothal is located between the Sabarmati river and its tributary Bhogavo, in the Saurasthra region of Gujarat. Its dockyard was well connected with the river Bhogavo.