What are the empires chandragupta took over?

Chandragupta Maurya, the founder of the Maurya Empire in ancient India, took over several key regions, including the Nanda Empire, which was a significant power in the Indian subcontinent at the time. He also expanded his territory by conquering parts of the northwest, including territories previously held by the Persian Empire and regions in modern-day Pakistan. His conquests laid the foundation for one of the largest empires in Indian history.