Question

how did cholanadu was called ​

Answer 1

Answer:

Chola Nadu was a region of Tamil Nadu state in southern India. It encompasses the lower reaches of the Kaveri River and its delta, and formed the cultural homeland and political base of the Chola Dynasty which ruled most of South India and parts of Sri Lanka and South-East Asia between the 9th and 13th centuries AD.

Answer 2

Settlements of peasants, known as ur, became prosperous with the spread of irrigation agriculture. Groups of such villages formed larger units called nadu and as they were of chola kingdom so together the came to be known as chola Nadu .