1.Eastern

Eastern Development Region 

The Eastern Development Region (Purwānchal Bikās Kshetra) is one of Nepal's five development regions. It is located at the eastern end of the country with headquarters at Dhankuta.The fourteen administrative zones of Nepal are split between five development regions, one of which is the Eastern (Purwanchal) Region. The town of Dhankuta is the capital of the Eastern Region, as well as the capital of the Dhankuta District.

The Eastern Sector embraces the snow-capped peaks including Mt. Everest, Mt.Kangchenjunga, Mt. Makalu with Solukhumbu, Sankhuwasabha, and Taplejung districts towards the north, the jungle clad hill tracts of Okhaldhunga, Khotang, Bhojpur, Tehrathum and Panchthar in the Mid and the alluvial fertile plains of Siraha, Saptari, Sunsari, Morang and Jhapa is a veritable accumulation of flora and fauna in all its comprehendible multiplicities in the south. This is not only the most tempting and captivating part of Nepal displaying nature's bounty at its best but also pretends a wide diversity of cultures woven together by the underlying thread of nationalism. The profusion of natural resources connected with the amiable and warm nature of the inhabitants makes the region uniquely different.Administrative Division of Eastern Development Region of Nepal

It comprises three zones:

Sagarmatha

Sagarmāthā is one of the fourteen zones located in eastern Nepal. It includes mountain districts of the Himalayas (including Mount Everest) in the north, hill districts in the center, and valley districts of the Terai in the south. It is bordered by China to the north, India to the south, the Kosi  Zone to the east and the Janakpur Zone to the west.

Sagarmāthā is divided into six districts:

• Khotang
• Okhaldhunga
• Saptrari
• Siraha
• Solukhumbu
• Udayapur

The main city of the Sagarmāthā Zone is Rajbiraj which is also the headquarters. Other towns of the Sagarmāthā hill area are Katari, Okhaldhunga, Diktel, Salleri and Namche Bazaar; while Kathauna, Lahan, Fatepur, Rajbiraj and Siraha are in the outer Terai. Triyuga is an emerging city in the zone.

Sagarmāthā takes its name from the Nepalese name for Mount Everest, which is located in the very north of the zone within the Sagarmatha National Park (1,148 km²) in the Solu Khumbu district. Sagarmāthā means "the Head in the Great Blue Sky".

Koshi

Koshi is one of the fourteen zones of Nepal. The headquarters of Koshi Zone is Biratnagar which is also its largest city. Other cities of Koshi Zone are Inaruwa, Dharan, Dhankuta and Itahari. Its main rivers are Arun, Tamar and Saptakoshi. 

Koshi is divided into six districts:

• Bhojpur
• Dhankuta
• Morang
• Sankhuwasabha
• Sunsari
• Terhathum

Famous and religious places

• Pindeswari Temple, Dharan
• Buda Subba Tample, Dharan
• Panchakanya Temple, Dharan
• Bishnupaduka, Dharan
• Kali Mandir, Biratnagar
• Chintaangdevi Temple, Dhankuta
• Namaste Jharana, Vedetar
• Ramdhuni Mandir, Dhuni Ban
• Jhumkeshwar Mahadev, Jhumka
• Barahkshetra Mandir, Barahachhetra*Auliya Baba Mandir, Chatara
• Jabdi Mata Mandir, Pakali
• Betana Shimsar, Belbari

Mechi

Mechi is one of the fourteen zones of Nepal, comprising four districts; namely Ilam, Jhapa, Panchthar and Taplejung. Its headquarters are at Ilam.It comes under the Eastern Development Region of Nepal. The Indian state of Bihar is to the south and Tibet to the north. The largest town is Damak in the Terai. The majority of the population in Mechi are Kirantis(Limbu and Rai) and other ethnic groups like Koche and Meche, and hill castes like Bahun and Chhetris.

Mechi is divided into four districts:

• Illam
• Jhapa 
• Pachthar
• Taplejung 

Among the four districts, Jhapa is in the Terai and it is more developed than the other three districts. Ilam and Panchthar are in the hilly region. Ilam is also in a developing stage. Ilam is naturally very beautiful, with many tourists visiting Ilam annually. Kanyam is popular for its tea garden. At Antu the rising sun can be viewed. Panchthar is the least developed of the four districts. Taplejung is in the mountainous zone.

There are two airports within Mechi: one in Bhadrapur and one in Taplejung.

Agriculture and industry

Mechi is famous for microcredit development. The Small Farmer Development Programme (SFDP) was the first rural and micro-financing program in Mechi. The Agricultural Development Bank started this SFDP in 1988. It started in a few VDCs and spread. After lifting many people out of poverty, the SFDP was handed over to the local people and the new institution was named Small Farmer Cooperative Ltd (SFCL). There are 13 SFCLs in Mechi, each of which covers a single VDC.It is one of the major districts for the production of tea and rice. Budhabare is on the northern side of the Mahendra Highway and is one of the most fertile lands of Nepal. Mechi as a district is popular for the bittle nuts (Supari). Several large tea estate are in Mechi. Giri Bandhu Tea Estate, Burne Tea State, Tokla Tea Estate, Himalaya Tea State, Damak, Sattighatta Tea Estate are the major ones.

Protected Areas

Sagarmatha National Park, Makalu Barun National Park, Kanchanjunga Conservation Area and Koshi Tappu Wild Life Reserve are the main protected area of this region.

Geography

The Eastern Development Region consists of about 28,456 square kilometers of area. Like other development regions, this eastern region also has the same three-fold geographical division: Himalayan in the north, Hilly in the middle and Terai in the southern part of Nepal, varying between an altitude of 60 m and 8,848 m.. Terai, extended from east to west, is made up of alluvial soil. 

To the west of Koshi River, in between Mahabharat and Churia, there elongates a valley called Inner Terai. Churai ranges, Mahabharat, hills of various height, basins, tars and valleys form hilly region. Some parts of this region are favourable for agriculture but some other parts are not. Himalayan region, in the north, consists of many mountains ranges. Mahalangur, Kumbhakarna, Umvek, Lumba Sumba and Janak are some of them. The highest mountain in the world, Mount Everest (8848 metre); and the third highest mountain, Kangchenjunga (8598 meters) lie in this region.

Nepal’s lowest point, Kechana Kalan at 60 m, is located in the Jhapa district of this development region. There are many river basins and gentle slopes as well. Churai,   Mahabharat,many basins, tars and valleys form the Terai region. Between the Churia and Mahabharat a low land of inner Terai exists. The Koshi river flows through the region with its seven tributaries like Indrawati, Likhu, Tamur, Dudh Koshi, Arun,Tamakoshi   and Bhote Koshi (Sunkoshi). There are other rivers as well. Tundra vegetables, coniferous forest, deciduous monsoon forests and sub-tropical evergreen woods are vegetations found here. Sub-tropical, temperate, sub-temperate, and alpine and tundra types of climates are found here.

Cities

The major cities of this region are:

 Biratnagar, Dharan, Dhankuta, Itahari, Rajbiraj, Birtamod and Damak, Gaighat, Lahan, Ilam and Bhadrapur.