During Buddha's era, the Vrijis (or Vajji) constituted a non-monarchical mahajanapada and a confederacy of clans. They implemented a republican governance system, centered in Vaishali.
| List-I | List-II |
|---|---|
| (A) Guptas | (I) Valabhi |
| (B) Maukharis | (II) Kanauj |
| (C) Pushyabhutis | (III) Magadha |
| (D) Maitrakas | (IV) Thanesar |