Multiple choice Where do we find the first mention of the 16 Mahajanapadas? Chhandogya Upanishad Anguttara Nikaya Auppadhik Sutra Uttaradhyayan Sutra Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Anguttara Nikaya, a Buddhist text, contains the earliest known list of the 16 Mahajanapadas.