Tsetang

Zêtang also Zedang or Tsethang is the fourth largest city in Tibet and is located in the Yarlung Valley, 183 km southeast of Lhasa in Nedong County of Lhoka (Shannan) Prefecture, Tibet Autonomous Region of China. As capital of Shannan Prefecture (Lhoka Prefecture), it "...exercises direct control over the affairs of 13 counties: Gongkar, Tranang, Nedong, Changye, Tso-me, Lhodrok, Nakartse, Zangri, Chutsum, Lhuntse, Tsona, Gyatsa and Nang."

Zêtang has been the capital of the Yarlung region since antiquity and was the seat of the ancient emperors of Tibet and, as such, a place of great importance. In the 19th century, it is said to have comprised some 1,000 houses, a bazaar, a gompa and a fort.

As the capital of Shannan Prefecture, it is the second-largest settlement in the historical Ü-Tsang region. It lies at an elevation of 3,100 metres (10,170 ft) above sea level and has a population of approximately 52,000 persons. It is only about 4 km to the northeast of the town of Nêdong and they have now essentially merged into one city.