Avantirastra (Sanskrit: अवन्तिराष्ट्र) was one of the five original provinces of the Maurya Empire gained after the overthrow of the Nanda dynasty by Chandragupta Maurya.
[1] It was located in the modern-day Malwa region with its capital at Ujjain.
Ashoka served as viceroy of the region during his father Bindusara's reign.