The Geographical Dictionary of Ancient and Mediaeval India c6.s1.172

c6.s1.172

Bihar—I. 1. Magadha. 2. Kikaṭa. Its ancient capital was Girivraja or Râjagriha (Râjgir) at the time of the Mahâbhârata, but the seat of government was removed to Pâṭaliputra by Udayâśva, grandson of Ajâtaśatru. II. The town of Bihar in the district of Patna was anciently called 1. Udandapura 2. Odantapura. 3 Dandapura. 4 Udantapura. 5. Pṛiṣṭha Champā It was sometimes the capital of the Pāla Rājās of Bengal