Hubli, officially Hubballi, is a city in the Indian state of Karnataka. The twin cities Hubli–Dharwad form the second largest municipality and urban agglomeration of Karnataka in terms of area and population and the largest city in North Karnataka. Hubli is in Dharwad district of Karnataka and is the taluk headquarters of Hubli City and Hubli Rural. Although it hosts the Hubli-Dharwad Municipal Corporation, the district headquarters is in Dharwad.