16,349,831 (2nd) is the population of the urban region of Dongguan . The province of the city Dongguan is Gauteng . The city was incorporated in 1900 . The postal code of the city is 8320000 . The Dongguan city highest elevation is 425 m (1,394 ft) . The water area of the city is 4.46 sq km  (1.72 sq mi) . 6,310,000 (2017) is the population of the metro region of Dongguan . Dongguan is located in England . Tri Rismaharini is the mayor of Dongguan . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Dongguan . 4,484/km 2  (11,610/sq mi) is the density of people in  the metro region of Dongguan . Dongguan is the government of Ministry of Culture . The lowest elevation of Dongguan is 5,740 ft  . Dongguan is at an elevation of 19 m . The land area of the city is 8.13 sq mi (21.06 km 2 ) . (+90) 224 is the area code of Dongguan . The density of  people in Dongguan is 0.032/sq km  (0.083/sq mi) . This city is named after Joe Juneau . The city is 19.4 sq mi (50.2 sq km) in area
6314721 residents live in the metro region of Dongguan