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 (20.8864 sq mi). Kanaginahal of Gadag is the birthplace of the first co-operative society in Asia. The temples of Veera Narayana and Trikuteshwara are places of religious and historic importance.
The twin city municipality is situated 80 km (50 mi) from Dharwad and 60 km (37 mi) from Hubballi, and lies on the Gutti-Vasco National Highway.