Tuensang lies in the easternmost part of Nagaland and is named after the village situated close to the district head quarter. Tuensang is inhabited by six major tribes of the state namely the Changs, Sangtams, Khiamniungans, Yimchungers, Phoms and Semas.

Situated at an elevation of 1,371 m above sea level, Tuensang is bordered by Myanmar all along its eastern side and the district has approximately 180 kms of international border with Myanmar. Blessed with hills, high ridges deep gorges and narrow valleys, Tuensang is a haven for nature lovers. With pristine environment most of the villages wear a picture-postcard look. While Tuensang village is the oldest, Chingmei village, where the Chang tribesmen live, is another big village where nature is at her best.

Mount Saramati—the highest peak in Nagaland and one of the highest in Southeast Asia lies in nearest Kiphere.

Changsangmonko and Chilise, the living stones of Tuensang and Tsadang are major attractions of Tuensang while Longtrok is another place worth visiting.