Dongguan is named for Joe Juneau .  The city area code is (+90) 224 . The population of the metro region is 6,310,000 (2017) . The lowest elevation of Dongguan is 5,740 ft  . The postal code of the city is 8320000 . The city was incorporated in 1900 . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Dongguan . The highest elevation of Dongguan is 425 m (1,394 ft) . Tri Rismaharini is the mayor of Dongguan . The density of  people in Dongguan is 0.032/sq km  (0.083/sq mi) . The water area of the city is 4.46 sq km  (1.72 sq mi) . The urban region has 16,349,831 (2nd) population . The province of the city Dongguan is Gauteng . Dongguan is located in England . Dongguan is the government of Ministry of Culture . 4,484/km 2  (11,610/sq mi) is the density of people in  the metro region of Dongguan . Dongguan is at an elevation of 62 ft . The land area of the city is 8.13 sq mi (21.06 km 2 ) . 19.4 sq mi (50.2 sq km) is the area of the city namedDongguan
Dongguan is 3066.3 ftabove sea level