Upper Subansiri is a district located in the state of Arunachal Pradesh in India. It is situated in the northeastern part of the country. The district shares its borders with Tibet (China) to the north and the Indian state of Assam to the south. The administrative headquarters of Upper Subansiri district is Daporijo.

The district is known for its picturesque landscapes, lush green valleys, and majestic mountains. It is home to diverse ethnic groups, including the Galo, Tagin, Hill Miri, and Nyishi communities. The people of Upper Subansiri primarily rely on agriculture for their livelihood, cultivating crops such as rice, maize, millet, and vegetables.