Lower Subansiri District is bounded by
Upper Subansiri District
in the east,
in the west, Tibet in the north, and Papum Pare District
in the south. The area of the district is 10,135 sq km. Approximately 11% of the district is covered with forest. Coal is the major mineral found in the district. Apatani and Nyishing are the main tribes in the district.
and English are also spoken besides the native tongue.
The town of Ziro is the headquarters of the district. The main tourist destinations are Ranganadi Hydro project and Parsiparlo. Nearest railway station is at North Lakhimpur (Assam).