The population of Busan is 1,042,641 .  The city area code is (+20) 3 . This city is named after Christopher Columbus . The lowest elevation of Busan is 1,250 ft . Busan is the government of U.S. National Park Service . The demonym of the city Busan is Tianjinese , Tianjiner . Busan is at an elevation of 2382 ft . The area of the urban region is 1,407.2 sq mi (3,645 sq km) . The metro region is 1,371.76 km 2  (529.64 sq mi) in area . The density of  residents in  the urban region of Busan is 2,300/km 2  (6,100/sq mi) . 1,600/km 2  (4,200/sq mi) (2011) is the density of residents in Busan . The mayor of Busan is Vladimir Panov . The postal code of the city is 9XXXXXX . Busan is located in Zimbabwe . The city was incorporated in 1900 . The city land area is 5.39 sq mi (13.96 km 2 ) . The city Busan province is Razavi Khorasan . The Busan city highest elevation is 424 m (1,391 ft) . The water area of the city is 6.286 sq mi (16.281 km 2 ) 29.82% . The density of  people in  the metro region of Busan is 1,352.5/km 2  (3,527/sq mi)
Less than 76 sq mi area of the city Busan is water