The population of Dongguan is January 1, 1894 . 34°41′24″N 135°11′44″E﻿ / ﻿34.69000°N 135.19556°E are the coordinates of the city. . The density of  residents in Dongguan is 5,200/km 2  (13,000/sq mi) . The density of  people in  the metro region of Dongguan is 210.9/km 2  (546.2/sq mi) . The density of  residents in  the urban region of Dongguan is 3,423/km 2  (8,870/sq mi) . 2,122 sq mi (5,496 sq km ) is the area of the urban region of Dongguan . Faud al Muhammed Sisi is the mayor of Dongguan . Dongguan is at an elevation of 0.9 m . The city has the postal code 1100 . The land area of the city is 48.42 sq mi (125.41 km 2 ) . The population of the metro region is 4,167,961 . The Dongguan city highest elevation is 5,364 m (17,598 ft) . The province of the city Dongguan is East Java . The water area of the city is 3.73 sq mi (9.67 km 2 ) .  The city area code is +57 2 . The city Dongguan demonym is cuzqueno/a . The city was incorporated in 1 October 1984 . Dongguan is the government of Swedish Ice Hockey Association . The lowest elevation of Dongguan is 1 m  . Dongguan is named for Henry E. Huntington
6.72 percentage is water in Dongguan