Districts of Assam: All 35 Districts, Divisions, and Key Facts
Districts of Assam: all 35 districts across 5 divisions, largest and smallest, divisions list, and district facts for ADRE exam preparation.
Author: AxomRank | Updated: August 2026 | Reading time: 10 minutes
Assam is administered through 35 districts organised into five divisions — Upper Assam, Middle Assam, Lower Assam, the Bodoland Territorial Region (BTR), and the Barak Valley [1] [2]. District questions in ADRE are deceptively common: new-district counts, largest and smallest, division membership, and which districts touch the international borders all appear regularly. This guide gives you the complete structure with every superlative the exam uses.
Quick Answer: Districts of Assam Fact Sheet
| Fact | Detail |
|---|---|
| Number of districts | 35 |
| Number of divisions | 5 (Upper, Middle, Lower Assam, BTR, Barak Valley) |
| Largest district | Karbi Anglong (~10,434 sq km) |
| Second largest | Dima Hasao (~4,888 sq km) |
| Smallest district | South Salmara-Mankachar (by area, among the newest) |
| Capital district | Kamrup Metropolitan (Dispur and Guwahati) |
| Only hill districts | Karbi Anglong and Dima Hasao |
| Only hill station | Haflong (in Dima Hasao) [1] [2] |
The Five Divisions and Their Districts
The divisional structure organises the state geographically and administratively [1] [2]:
| Division | Districts |
|---|---|
| Upper Assam | Tinsukia, Dibrugarh, Sivasagar, Charaideo, Lakhimpur, Dhemaji, Majuli |
| Middle Assam | Sonitpur, Biswanath, Golaghat, Nagaon, Hojai, Karbi Anglong, Dima Hasao |
| Lower Assam | Kamrup Metropolitan, Kamrup, Nalbari, Barpeta, Baksa, Udalguri, Darrang, Morigaon, Goalpara, South Salmara-Mankachar, Dhubri |
| Bodoland Territorial Region | Kokrajhar, Chirang, Baksa, Udalguri (BTR districts) |
| Barak Valley | Cachar, Karimganj, Hailakandi |
Note that Baksa and Udalguri belong simultaneously to Lower Assam division and to the Bodoland Territorial Region — the semi-autonomous council area created under the Sixth Schedule accords [1] [2].
Superlatives and New Districts
The superlative facts are the most-marked. Karbi Anglong is the largest district at roughly 10,434 sq km, followed by Dima Hasao (~4,888 sq km) — together the state's only hill districts, sitting between the Brahmaputra and Barak valleys; Haflong in Dima Hasao is Assam's only hill station [1] [2] [3]. South Salmara-Mankachar, carved out of Dhubri in 2015, is the smallest by area, while Majuli, created in 2016, is India's first island district [2]. The state's newest wave came in 2022, when six districts were created: Bajali (from Barpeta), Biswanath and Hojai (from Sonitpur and Nagaon), South Salmara-Mankachar's reorganisation, Tamulpur (from Chirang), and West Karbi Anglong (from Karbi Anglong) — taking the count from 31 (or 33 depending on the year of counting) to the present 35 [1] [2].
Geography Notes per District
A few districts carry signature exam facts. Dhubri hosts the westernmost point and the Naranarayan Setu bridgehead; Majuli holds the world's largest river island and twenty-plus satras; Dima Hasao is the sole district south of the Barak valley; Cachar's Silchar is the Barak Valley's commercial hub; Kamrup Metropolitan contains the capital Dispur; and the border districts with Bangladesh — Dhubri, Goalpara, Barpeta, Bongaigaon (now divided into Chirang/Baksa), Kokrajhar, Karimganj, Hailakandi, and Cachar — anchor the state's southwestern frontier [1] [2].
How to Study Districts for ADRE
Memorise the five-division table row by row (it doubles as a mental map), then the superlatives: largest, smallest, hill districts, hill station, island district, and capital district. Keep current: ADRE follows the latest count of #1D1814]">35. Practise the [Assam GK core topics question bank, log progress in the study planner, and verify with mock tests scored on the score calculator.
Frequently Asked Questions
How many districts are there in Assam?
Thirty-five districts, organised into five administrative divisions [1] [2].
What are the five divisions of Assam?
Upper Assam, Middle Assam, Lower Assam, Bodoland Territorial Region, and Barak Valley [1] [2].
Which is the largest district of Assam?
Karbi Anglong, with nearly 10,434 sq km; Dima Hasao is second at about 4,888 sq km [1] [3].
Which are the hill districts of Assam?
Karbi Anglong and Dima Hasao, the plateau regions between the Brahmaputra and Barak valleys; Haflong in Dima Hasao is the state's only hill station [2] [3].
Which is Assam's island district?
Majuli, created in 2016 — India's first island district — formed from the world's largest river island in the Brahmaputra [2].
How many new districts were created in Assam in 2022?
Six — including Bajali, Biswanath, Hojai, Tamulpur, West Karbi Anglong, and the reorganisation of South Salmara-Mankachar — raising the total to 35 [1] [2].
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References
[1]: https://en.wikipedia.org/wiki/List_of_districts_of_Assam "List of Districts of Assam — Wikipedia"
[2]: https://assam.gov.in/about-us/396 "Districts — Government of Assam (assam.gov.in)"
[3]: https://dimahasao.assam.gov.in/about-us/district-profile "District Profile — Dima Hasao District, Government of Assam"
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