Kalyana-Karnataka, also known as Hyderabad-Karnataka, is a region located in the northern part of the Indian state of Karnataka, which was part of Hyderabad State ruled by the Nizams and the Madras presidency of British India.

The region comprises Bidar, Yadgir, Raichur, Koppal and Kalaburagi of Hyderabad state and, Ballari and Vijayanagara of the Madras province that are now present in the state of Karnataka.

[1][2][3][4][5] Kalaburagi and Ballari are the largest cities of this region.

In 1948, when the Hyderabad State was officially merged into India, some portions of it were incorporated into the state of Karnataka.

[6] In 2019, the Hyderabad-Karnataka region was officially renamed as Kalyana-Karnataka.