Mokokchung is the district headquarters as well as the main urban hub of Mokokchung district and the land of the Legendary Ao tribes of Nagaland. The Aos are one of the major Naga tribes of Nagaland who were the first Naga tribe to embrace Christianity. With this came the virtue of the development the Aos availed themselves to Western education that came along with Christianity . In the process the Aos became the pioneering tribe among the Nagas in many fields.
Mokokchung is particularly noted for its extravagant Christmas, New Year, Moatsu and Tsungremong celebrations. Its tradition of celebrating Christmas and New Year midnight celebrations in the main town square is regarded as one of the unique features of Mokokchung.
The primary festival of Moatsu Mong is celebrated in the first week of May every year primarily after the sowing is done. The festival provides the Ao Nagas a period of recreation and entertainment after the stressful work of clearing fields, burning jungles, sowing seeds, cleaning up the Tsubu (wells) and repairs and construction of houses by elders of the Putu Menden, stretching over a week. The Moatsü festival is marked by peppy songs and dances. The whole festival full of merry making and fun is observed only for three days from May 1 to 3. During this festival one of the symbolic celebrations is Sangpangtu, where a big fire is lit and men and women sit around it putting on their complete best attire, the womenfolk serve the wine and meat. Village witch doctors forecast whether good or evil days are awaiting the people and the village by readings of the celebration of the Moatsü festival.