Nanda Empire
Southern Panchala kingdom or Panchala-proper, one of the historical mahajanapadas of ancient India (c. 6th to 4th centuries BC), had Kampilya city as its capital. This kingdom extended from the Ganges River to river Charmanwati. It was annexed into the Nanda Empire during the reign of Mahapadma Nanda. Ahichchhatra was capital of northern Panchala and Kampilya was capital of southern Panchala.