List of Districts and Divisions in Bihar

District	Headquarters	Official website
Araria	Araria	araria.bih.nic.in
Arwal	Arwal	arwal.bih.nic.in
Aurangabad	Aurangabad	aurangabad.bih.nic.in
Banka	Banka	banka.bih.nic.in
Begusarai	Begusarai	begusarai.bih.nic.in
Bhagalpur	Bhagalpur	bhagalpur.bih.nic.in
Bhojpur	Arrah	bhojpur.bih.nic.in
Buxar	Buxar	buxar.bih.nic.in
Darbhanga	Darbhanga	darbhanga.bih.nic.in
East Champaran	Motihari	eastchamparan.bih.nic.in
Gaya	Gaya	gaya.bih.nic.in
Gopalganj	Gopalganj	gopalganj.bih.nic.in
Jamui	Jamui	jamui.bih.nic.in
Jehanabad	Jehanabad	Jehanabad.bih.nic.in
Khagaria	Khagaria	khagaria.bih.nic.in
Kishanganj	Kishanganj	kishanganj.bih.nic.in
Kaimur	Bhabua	kaimur.bih.nic.in
Katihar	Katihar	katihar.bih.nic.in
Lakhisarai	Lakhisarai	lakhisarai.bih.nic.in
Madhubani	Madhubani	madhubani.bih.nic.in
Munger	Munger	munger.bih.nic.in
Madhepura	Madhepura	madhepura.bih.nic.in
Muzaffarpur	Muzaffarpur	muzaffarpur.bih.nic.in
Nalanda	Bihar Sharif	nalanda.bih.nic.in
Nawada	Nawada	nawada.bih.nic.in
Purnia	Purnia	purnia.bih.nic.in
Rohtas	Sasaram	rohtas.bih.nic.in
Saharsa	Saharsa	saharsa.bih.nic.in
Samastipur	Samastipur	samastipur.bih.nic.in
Sheohar	Sheohar	sheohar.bih.nic.in
Sheikhpura	Sheikhpura	sheikhpura.bih.nic.in
Saran	Chhapra	saran.bih.nic.in
Sitamarhi	Sitamarhi	sitamarhi.bih.nic.in
Supaul	Supaul	supaul.bih.nic.in
Siwan	Siwan	siwan.bih.nic.in
Vaishali	Hajipur	vaishali.bih.nic.in
West Champaran	Bettiah	westchamparan.bih.nic.in

Source: Wikipedia