Lower Subansiri district is actually an administrative district of Arunachal Pradesh. The Lower Subansiri district occupies an area of 10,135 Sq. kms. This district of Arunachal Pradesh is bounded by China and Upper Subansiri District of Arunachal on the North, by Papum Pare District of Arunachal Pradesh and Assam on the South, on the East by West Siang and some part of Upper Subansiri and by East Kameng Districts of the state of Arunachal Pradesh on the West. On the northeast of Lower Subansiri district there is the Tirap district of Arunachal Pradesh. The height of this managerial district headquarters is 1500 meters above sea level.

History of Lower Subansiri district
The origin of the name of Lower Subansiri district is the Subansiri River. By the Government of India Notification of 1914, the area covered by this administrative district of Arunachal Pradesh became a part of Lakhimpur Frontier Tract of the "North East Frontier Tract". Further, in the year 1954, Subansiri Area was renamed as "Subansiri Frontier Division" with its Headquarter was transferred to a place in Arunachal Pradesh known as Ziro. In the year 1980, on 13th of May, the Subansiri District was bifurcated into Lower Subansiri district and Upper Subansiri District.

Geography of Lower Subansiri district
Geography of Lower Subansiri District includes around 10,135 Sq. kms area. The whole territory of this district is mostly mountainous and it covers various hill ranges and valleys. Lower Subansiri district consists of a beautiful flat terrain at near about 1564 metres above sea level and Ziro is its headquarter.

Administration of Lower Subansiri district
The administrative of the Lower Subansiri district is basically a single line administration. The main aim of the administrative set up is to keep close co-operation within the various developmental departments of the district for the overall development of its infrastructure and its people.

People of Lower Subansiri district
The major tribes of Lower Subansiri district are Apatani tribe, Nishi tribe and Hill Miri tribe. The Apatani tribe and the Nishi tribe belong to the Tibeto-Mongoloid stock and the people of the Nishi tribal group are also known as Nishangs. The Hill Miri tribal people are comparatively fair in complexion. They weave graceful garments and they are very fond of dance and music. The Socio-economic as well as political life of the Hill Miris is similar to that of the Nishis. Fish cultivation is one of the main occupations of the people of Lower Subansiri district is fish cultivation.

Culture of Lower Subansiri district
The traditions and culture of the people of Lower Subansiri district are really interesting and have their own charm. Some of the popular festivals are Myoko festival, Murung festival, Dree festival. Myoko festival is basically celebrated in the month of March. Murung festival is celebrated in the month of January. Dree festival is known as the Agricultural festival and it is celebrated in the month of July. All these festivals are celebrated by all the people with tremendous enthusiasm and zeal.

Tourism of Lower Subansiri district
The headquarters of Lower Subansiri district that is Ziro is one of the most beautiful hill stations of the state of Arunachal Pradesh. It is located at about 1500 metres above the sea level amidst the pine clad mountains. It offers a number of sightseeing and adventurous options like Ziro Putu, Dolo Mando, Tarin Fish Farm, Taley Wild Life Sanctuary and many more.

Lower Subansiri district is a beautiful district of the state of Arunachal Pradesh and it offers a number of options to the tourists.