structural:summarization, linguistic:voice_change
Administration

Chengguan District is located on the middle reaches of the Lhasa River, a tributary of the Brahmaputra River, with land that rises to the north and south of the river. It is 28 kilometres (17 mi) from east to west and 31 kilometres (19 mi) from north to south. Chengguan District is bordered by Doilungdêqên District to the west, Dagzê County to the east and Lhünzhub County to the north. Gonggar County of Lhoka (Shannan) Prefecture lies to the south.

Chengguan District has an elevation of 3,650 metres (11,980 ft) and covers 525 square kilometres (203 sq mi). The urban built-up area covers 60 square kilometres (23 sq mi).The average annual temperature of 8 °C (46 °F). Annual precipitation is about 300 millimetres (12 in) to 500 millimetres (20 in), mostly falling between July and September.

The term "Chengguan District" is the administrative term for the inner urban area or the urban centre within a prefecture, in this case the Prefectural-city of Lhasa. Outside of the urban area much of Chengguan District is mainly mountainous with a near nonexistent rural population.Chengguan District is at the same administrative level as a county. Chengguan District of Lhasa was established on 23 April 1961.It currently has 12 fully urban subdistricts.