From Wikipedia - Reading time: 6 minIn Karnataka there are thousands of forts, in Kannada called as ಕೋಟೆ (kōṭe) and ದುರ್ಗ (durga).

The Forts in Karnataka belong to various dynasties, some of them are more than a thousand years old.
Karnataka has a long history with forts. In 1294 A.D. the Raichur Fort, built during the reign of Kakatiyas of Warangal, played a major role in the history of Karnataka. The Krishna-Tungabhadra Doab region witnessed many battles fought to capture and control the fort, several battles involving Vijayanagar kings, Bahmanis and Adilshahis.