Bihar waa gobol ku yaalla bariga Hindiya. Waa gobolkii 13-aad ee ugu ballaarnaa gobolka Hindiya, oo leh dhul baaxadiisu tahay 94,163 km2 (36,357 sq mi). Gobolka saddexaad ee ugu weyn gobolka dadka, waxay ku dhow yihiin Uttar Pradesh galbeedka, Nepal dhanka waqooyi, qaybta waqooyi ee Galbeedka Bengal dhanka bari, Jharkhand dhanka koonfureed. Bannaanka Bihar waxaa kala qaybiyey webiga Ganges, oo ka soo qulqulaya galbeedka ilaa bariga. Saddex gobol oo waaweyn ayaa ku kulmaya gobolka: Magadh, Mithila, iyo Bhojpur.
gobolka saddexaad ee ugu dadka badan