The popular 9th-century Kannada work Kavirajamarga describes 'Kannada land' as the one spread between Cauvery and Godavari rivers. Now, a newly discovered Kannada inscription from the 12th century seconds it by describing a Chalukya king ruling from Godavari basin.

from Times of India https://timesofindia.indiatimes.com/city/bengaluru/12th-century-kannada-inscription-discovered-in-maharashtras-latur-village/articleshow/94732972.cms