Gadag-Betageri is a city municipal council in Gadag district in the state of Karnataka, India. It is the administrative headquarters of Gadag District. The original city of Gadag and its sister city Betageri (or Betgeri) have a combined city administration. The municipality of Gadag-Betageri has a population of 172,813 and an area of 54.0956 km². Kanaginahal of Gadag is the birthplace of the first co-operative society in Asia.