Tangtse(Tanktseor Tankse)is a village in the Leh district of Ladakh, India. It is located in the Durbuk tehsil. Traditionally, it was regarded as the border between the Nubra region to the north and the Pangong region to the south. It was a site of wars between Ladakh and Tibet. During the Jammu and Kashmir princely rule, Tangtse was the headquarters of an ilaqa (subdistrict), whose territory included the Pangong Lake area, the Chang Chenmo Valley and the Aksai Chin plateau. Tangtse was also a major halting place on the trade route to Yarkand via the Chang Chenmo Valley.