Kannauj is an ancient city, administrative headquarters and a municipal board or Nagar Palika Parishad in Kannauj district in the Indian state of Uttar Pradesh. The city's name is an evolved form of the classical name Kanyakubja. During the ancient Vedic period, it was the capital city of the Panchala Kingdom during the reign of king Vajrayudha. In the medieā¦Kannauj is an ancient city, administrative headquarters and a municipal board or Nagar Palika Parishad in Kannauj district in the Indian state of Uttar Pradesh. The city's name is an evolved form of the classical name Kanyakubja. During the ancient Vedic period, it was the capital city of the Panchala Kingdom during the reign of king Vajrayudha. In the medieval era, it formed the core of the Kingdom of Kannauj and was ruled by multiple successive royal families.