List of districts of Arunachal Pradesh

On December 1, 1965 the erstwhile North-East Frontier Agency was divided into five districts:

Districts

Kameng Division (Bomdila^{[dead link]}): Tawang^{[dead link]}, West Kameng, East Kameng
Subansiri Division (Ziro): Papum Pare, Kurung Kumey, Kra Daadi, Lower Subansiri, Upper Subansiri
Siang Division (Pasighat): West Siang, East Siang, Central Siang, Upper Siang
Lohit-Dibang Division (Tezu): Upper Dibang Valley, Lower Dibang Valley, Anjaw, Lohit, Namsai
Tirap Division (Khonsa): Changlang, Tirap, Longding

As of 2016, Arunachal Pradesh comprises 20 districts. Most of them are inhabited by various tribal groups. These are:^[1]

Code	District	Headquarters	Population (2011)^[2]	Area (km²)	Density (/km²)	Map
TA	Tawang	Tawang Town	49,950	2,085	19	150px
WK	West Kameng^{[dead link]}	Bomdila	87,013	7,422	10	File:West Kameng in Arunachal Pradesh (India).svg
EK	East Kameng	Seppa	78,413	4,134	14	150px
PA	Papum Pare	Yupia	176,385	2,875	42
	Kurung Kumey	Koloriang	89,717	8,818	10	150px
	Kra Daadi	Jamin
LB	Lower Subansiri	Ziro	82,839	3,460	24	150px
UB	Upper Subansiri	Daporijo	83,205	7,032	8	150px
WS	West Siang	Along	112,272	8,325	12	150px
ES	East Siang	Pasighat	99,019	4,005	22	150px
	Central Siang	Pangin
US	Upper Siang	Yingkiong	33,146	6,188	5	150px
UD	Lower Dibang Valley	Roing	53,986	3,900	14	150px
	Upper Dibang Valley	Anini	7,948	9,129	1	150px
AJ	Anjaw	Hawai	21,089	6,190	3	150px
EL	Lohit	Tezu	145,538	2,402	13	150px
	Namsai	Namsai
CH	Changlang	Changlang	147,951	4,662	27	150px
TI	Tirap	Khonsa	111,997	2,362	42	150px
LD	Longding	Longding	^[3]	^[3]	^[3]	^[3]

Rima district, from Changlang district. Sub-divisions: Diyun, Bordumsa, Kharsang, Jairampur, Nampong, Rima-Putak (Tikhak), Miao, and Vijoynagar
Lower Siang district with headquarter in Likabali, from West Siang district and East Siang district
Itanagar district, from Papum Pare district. Sub-divisions: Tarasso, Balijan, Sangdupota, Banderdava, Itanagar, and Naharlagun.
Sagalee district, from Papum Pare district. Sub-divisions: Sagalee, Leporiang, Parang, and Mengio.
North Subansiri district, from Kurung Kumey (Sub-divisions of Sarli, Damin), Kra Daadi (Sub-division of Pipsorang/Longding Koling) and Upper Subansiri (Sub-divisions of Taksing, Limeking, Nacho, Siyum) districts.
Leparada district with headquarter in Basar
Hayuliang district, from Anjaw district (Sub-divisions of Hayuliang, Metengliang, Chaglagam, Goiliang) and northeastern parts of Tezu circle in Lohit district.

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↑ ^3.0 ^3.1 ^3.2 ^3.3 Longding is included as part of Tirap