Itanagar has been the capital of Arunachal Pradesh since 20th April 1974. Itanagar is situated at the foothills. The township is situated at 350 metres above mean sea level. It comes administratively under Papumpare district. The Nishis or Nishings is the major tribe in Itanagar area. However, Itanagar can be called as mini India, as people from all over the country, live here in harmony. As a capital town, Itanagar is well connected with the rest of the country by road and air communications. Pawan Hans provides helicopter service between Guwahati and Naharlagun(Itanagar). Deluxe buses are available from Guwahati.

Itanagar is the capital of India's largest North Eastern state. Here one can find historical fort called Itafort, dating back to the 14-15 centuries, after which it is named. The capital houses the Rajbhawan , the official residence of the Governor has also many worth visiting places in and around Itanagar.

These include legendary Ganga Lake (Gyakar Sinyi). It is a beautiful picnic spot, 6 kms away from Itanagar, a green forest lake surrounded by primeval vegetation, orchids masses on tall trees, tree ferns provides a small taste of the magnificent forests of the state.

Consecrated by the Dalai Lama, the Buddhist temple, a beautiful yellow roofed shrine reflects the extensive Tibetan influence and provides good views of Itanagar and the surrounding countryside.
Jawaharlal Nehru State Museum provides a kaleidoscope of Arunachal Pradesh and one can see wood carvings, musical instruments, textiles, handicrafts and archeological finds, while a workshop in the Handicrafts Centre specializes in traditional cane manufacture. It has a library section also.
Other important places of interest around Itanagar is Donyi-Polo Vidya Bhawan a Premier Publics School, North-Eastern Regional Institute of Science and Technology(Nirjuli) - a engineering insitute providing innovative way of education, Arunachal University (Doimukh) and Government Piggery and Poultry Farm (Nirjuli), Indira Gandhi Park.

Itanagar has been identified with Mayapur, the capital of the 11th century AD JItri dynasty.