Taplejung District (Nepali: ताप्लेजुङ जिल्ला Listen) is one of 77 districts of Nepal and one of the 14 districts of Koshi Province. It is located deep in the Himalayas in Eastern Nepal with བོད to the north across the Himalayas. Taplejung is the third largest district (by area) of Nepal.

The district covers an area of 3,646 square kilometres (1,408 sq mi) and has a total population (2011 Nepal census) of 127,461. The district is surrounded by Tibet in the north, Sankhuwasabha District in the west, Tehrathum District and Panchthar District in the south and Sikkim (India) in the east. Geographically, the district is located at a latitude of 27º 06' to 27º 55'N and a longitude of 87º57' to 87º40' E.

In Sherpa/Tibetan and limbu language, Taplejong means "a fort of King Taple".Here "Taple" is said to be the name of the Sherpa/Bhote king and "jong" Fort word derived from the Taplejung medieval times, a fort built by King Taple stood in the area.

Before the 17th century, the vast Sikkim kingdom lay east of the Arun River And after the 18th century vast sikkim merged in Nepal.Befire to merge in Nepal ruled by three tribes vast Sikkim ... According to which in the Treaty of "lhomenchong"

Lho= bhutiya/tibetan /sherpa

men = lepcha

Chong= limbu /yakthung

Limbus were given more rights and given kipat (किपट) and Limbuwan is found in 9 districts. 290px|thumb|Map of Eastern Nepal in 1942 showing Taplejung, a part of large Dhankuta District|left]] Before the unification of Nepal, the area of Taplejung and its surrounds were called after 19th century pallo Kirat Limbuwan which means "far region" and was ruled by the Limbu kings of Limbuwan.

After the unification of Nepal, the area of Taplejung became a part of the large Dhankuta District.

In 1962 when the traditional old 32 districts divided into 75, the three thums (counties) of the large Dhankuta district separately established a new district named "Taplejung".

Geographically Taplejung is a mountainous district where the world's third highest peak Kanchenjunga (8586 m) is located. It is situated at elevation ranging from 670 metres (2,200 ft) to 8,586 metres (28,169 ft) from sea level.

The Tamor River is a main river in the district, which flows through the middle in the district dividing district in east and west Taplejung. Gunsa river, Simbuwa river and the many tributaries of Tamur are important sources of freshwater. There are more than 60 rivers and streams in the district. Some glacial lakes are: Sinjenma Pokhari, Samdo Pokhari, Tin Pokhari, Kali Pokhari etc.

The district includes many highest peaks e.g. Gimmigela (7350 m), talung (7349 m), Kabru (7276 m), Nepal peak (7177 m), Kumbhkarna (7025 m) etc. Kanchenjunga Conservation Area is a protected area in the district which covers an area of 2,035 square kilometres (786 sq mi).

Climate Zone	Elevation Range	% of Area
Upper Tropical	300 to 1,000 meters 1,000 to 3,300 ft.	2.4%
Subtropical	1,000 to 2,000 meters 3,300 to 6,600 ft.	14.8%
Temperate	2,000 to 3,000 meters 6,400 to 9,800 ft.	19.5%
Subalpine	3,000 to 4,000 meters 9,800 to 13,100 ft.	16.8%
Alpine	4,000 to 5,000 meters 13,100 to 16,400 ft.	38.8%
Nival	above 5,000 meters	7.7%

Historical population

Year	Pop.	±% p.a.
1981	120,780	—
1991	120,053	−0.06%
2001	134,698	+1.16%
2011	127,461	−0.55%
2021	120,590	−0.55%
Sources:

At the time of the 2021 Nepal census, Taplejung district had a population of 120,590. Taplejung has a sex ratio of 984 females per 1000 males. 28,449 (23.59%) lived in urban areas.

As their first language, 35.40% of the population spoke Limbu, 24.59% Nepali, 24.30% Sherpa, 4.25% Tamang, 2.78% Gurung, 2.19% Rai and 0.92% Magar as their first language.

Ethnicity/caste wise, in 2021 38.60% were Limbu, 24.98% Sherpa, 5.67% Chhetri, 2.70% Hill Brahmin, 4.06% Rai, 4.73% Gurung, 4.66% Tamang, 4.55% Kami, 1.45% Damai, 1.39% Newar, 1.10% Magar, 1.05% Sunuwar and 0.95% Mijar.

Religion: 40.55% were Kirati, 17.45% Hindu, 38.44% Buddhist, 2.60% Christian, 0.66% Bon and 0.34% others.

Literacy: 71.0% could read and write, 2.8% could only read and 26.1% could neither read nor write.

Taplejung District is administered by Taplejung District Coordination Committee (Taplejung DCC). The Taplejung DCC is elected by Taplejung District Assembly. The head of Taplejung DCC is Mr. Ghanendra Maden and Mrs. Devimaya Nepali is deputy head of Taplejung DCC.

Taplejung District Administration Office under Ministry of Home Affairs co-operate with Taplejung DCC to maintain peace, order and security in the district. The officer of District Administration office called CDO and current CDO of Taplejung DAO is Dorendra Niraula.

Taplejung District Court is a Judicial court to see the cases of people on district level.

Administration	Name	Head
Legislative	District Coordination Committee	Ghanendra Maden
Executive	District Administration Office	Dorendra Niraula
Judicial	District Court	Prakash Raut

Taplejung is divided in total 9 local level bodies, in which only Phungling is an urban municipality otherwise all other local level bodies are rural municipality.

SN	Local level unit	Type	Population	Area	No. of wards
1	Phungling	urban	26406	125.57	11
2	Aathrai Tribeni	rural	13784	88.83	5
3	Sidingwa	rural	12099	206	7
4	Phaktanglung	rural	12017	1858.51	7
5	Mikkwakhola	rural	9160	442.96	5
6	Meringden	rural	12548	210.33	6
7	Maiwakhola	rural	11037	138	6
8	Pathibhara Yangwarak	rural	13591	93.76	6
9	Sirijangha	rural	15806	481.09	8

Formerly, Taplejung had one municipality and many VDCs. VDCs were the local level administrative units for villages.

Fulfilling the requirement of the new constitution of Nepal 2015, on 10 March 2017 all VDCs were nullified and formed new units after grouping VDCs.

Taplejung District consists 1 Parliamentary constituency and 2 Provincial constituencies

Constituencies	Type	Area	MP/MLA	Party
Taplejung 1	Parliamentary	whole Taplejung district	Yogesh Bhattarai	NCP
Taplejung 1(A)	Provincial	Phungling, Yangwarak, Sidingba, Sirijangha and the ward no. 3 of Phaktanglung	Bal Bahadur Samsohang	NCP
Taplejung 1(B)	Provincial	Aathrai Tribeni, Maiwakhola, Meringden, Mikwakhola and Phaktanglung (excluding ward no. 3)	Tanka Angbuhang Limbu	NCP

Taplejung (headquarters) is connected to the rest of Nepal by the Mechi Highway which meets the east–west or Mahendra Highway at Charali (Mechinagar). The distance from Mechinagar to Taplejung is 227 kilometres (141 mi). A person can travel from Kathmandu to Taplejung by public bus, jeep or by flight. Taplejung Airport is a nearest airport.

Taplejung is a best destination for trekkers. Kanchenjunga Conservation Area comprises cultivated lands, forests, pastures, rivers, high altitude lakes and glaciers. snow leopard, Asian black bear, red panda, golden-breasted fulvetta, snow cock, blood pheasant and red-billed chough can be seen in the area. Pathibhara Devi Temple or Mukkumlung Manghim at Taplejung hill is considered as the home to Yuma Sammang, the deity of Limbu people and thus worshipped. A 16th century Diki Chhyoling monastery lies in Olangchung-gola.

• Yogesh Bhattrai
• Ramesh Prashai
• Dr Sanduk Ruit
• Dr Surendra kc
• Biswa Limbu
• Dipka limbu
• Kushal Thalang
• Malvika subba

• Sankhuwasabha District
• Solukhumbu District
• Koshi Province
• Kanchenjunga
• Jannu