The land area of the city is 8.13 sq mi (21.06 km 2 ) . The population of the urban region is 16,349,831 (2nd) . Dongguan is the government of Ministry of Culture . The city Dongguan province is Gauteng . The population of the metro region is 6,310,000 (2017) . The city has the postal code 8320000 . The Dongguan city highest elevation is 425 m (1,394 ft) . Dongguan is at an elevation of 62 ft . The mayor of Dongguan is Tri Rismaharini . The area of the city is 19.4 sq mi (50.2 sq km) . This city is named after Joe Juneau . The density of  people in  the urban region of Dongguan is 4,800/km 2  (12,000/sq mi) . Dongguan is located in England . 0.032/sq km  (0.083/sq mi) is the density of residents in Dongguan . 4,484/km 2  (11,610/sq mi) is the density of people in  the metro region of Dongguan . (+90) 224 is the area code of Dongguan . The Dongguan citys' lowest elevation is 1,750 m . On 1900 the city was incorporated . The city water area is 4.46 sq km  (1.72 sq mi)
The city Dongguan is 11610/sq mi populace in it's metro region