It is situated between latitude 26° 30' N and 29° 30 ' N and longitude 91° 30' E and 97° 30' E. Itanagar is the capital of Arunachal Pradesh and located at an altitude of 530 meters above MSL. It is named after Itafort meaning fort of bricks built in 14th century A.D. Arunachal Pradesh is situated between 26o28' and 29o30' North latitudes and 97o30' and 97o30' East Longitudes covering an area of 83743 sq. km. Bio-geographically it is situated fin the Eastern Himalayan province, the richest biogeographical province of the Himalayan zone. The entire territory forms a complex hill system with varying elevations ranging from 50m in the foot-hills and gradually ascending to about 7000m, traversed throughout by a number of rivers and rivulets.

Rainfall varies from 1000mm in higher reaches to 5750mm in the foot-hill areas, spread over 8-9 months excepting the drier days in winter . This diversity of topographical and climatic conditions has favoured the growth of luxuriant forests which are home to myriad plant and animal forms adding beauty to the landscape. Living in this incredible cradle of nature are the colourful and vibrant tribes of Arunachal Pradesh for whom the forests and the wildlife are of special significance.

Nature has been exceedingly kind and has endowed this beautiful State of Arunachal Pradesh with diverse forests and magnificent wildlife. The richness of life forms i.e. the flora & fauna that occur in these forests presents a panorama of biological diversity with over 5000 plants, about 85 terrestrial mammals, over 500 birds and a large number of butterflies, insects and reptiles. Such an unparalleled occurrence of life forms can be attributed to the peculiar location of the State which is at the junction of the Paleoarctic, indo-Chinese, and Indo-Malayan bio-geographic regions , Biotic elements from all these regions occur in this state making it very rich in floral & faunal resources.

The vegetation of Arunachal Pradesh falls under four broad climatic categories and can be classified in five broad forest types with a sixth type of secondary forests. These are tropical forests, sub tropical forests, pine forests, temperate forests and alpine forests. In the degraded forests bamboos and other grasses are of common occurrence. ARUNACHAL PRADESH, situated in the north eastern part of India is nearly 84,000 sq. km in area and has a long international border with Bhutan to the west (160 km), China to the north and north-east (1,080 km) and Burma to the east (1,440 km).

It stretches from snow-capped mountains in the north to the plains of Brahmaputra valley in the south. Arunachal is the largest state area-wise in the north-east region, even larger than Assam which is the most populous.

These divide the State into five river valleys : the Kameng, the Subansiri, the Siang, the Lohit and the Tirap. All these are fed by snow from the Himalayas and countless rivers and rivulets.

High mountains and dense forests have prevented intercommunication between tribes living in different river valleys.The mightiest of these rivers is Siang, called the Tsangpa in Tibet, which becomes the Brahmaputra after it is joined by the Dibang and the Lohit in the plains of Assam.

Isolation imposed by geography has led over twenty six major tribes with several dialects to live and flourish with their distinct identities. Nature has provided the people with a deep sense of beauty which finds delightful expression in their songs, dances and crafts. Trees of great size, plentiful climbers and abundance of cane and bamboo make Arunachal evergreen. Tropical rain forests are to be found in the foothills and the hills in the east on the border with Burma. Northern most border is covered with Alpine forests. The climate varies from hot and humid in the Shivalik range with heavy rainfall. It becomes progressively cold as one moves northwards to higher altitudes.

Amidst the highly rugged terrain, there are green forests and plateaus. The Apatani plateau, situated at an altitude of about 1500 meters and covering an area of over 32 sq. km is the most beautiful one. Situated in the same Lower Subansiri district at an altitude of 2400 meters is Tale, another plateau with dense forests of silvery fir trees.

Administratively, the State is divided into fifteen districts. Capital of the State is Itanagar in Papum Pare district (HQ- Yupia). People from all walks of life live here in peace and harmony.

For more Information, please visit  arunachalpradesh.nic.in