Dhanyakataka was an ancient city situated in the region of South India (Andhra Pradesh). 

It was a significant Buddhist centre, particularly associated with the Mahasanghika sect of Buddhism during ancient times. 

The Mahasanghika sect (considered to be the origin of Mahayana Sect) was one of the early Buddhist schools that emerged in India, and Dhanyakataka played a crucial role in its development and propagation.