Q. Viratnagar, capital of Matsya Mahajanapada, is in which region?
Answer: Jaipur
Notes: Viratnagar, now called Bairat, is in Jaipur district of Rajasthan. Bairat contains ancient and medieval ruins including Ashokan-era monuments and Buddhist relics. Jaipur became a district in 1949 after formation of the state of Rajasthan. Matsya Mahajanapada was one of the sixteen Mahajanapadas of ancient India. Archaeological excavations at Bairat reveal evidence of its historical significance.