Busan is at an elevation of 726 m . The city was incorporated in 1900 . The density of  people in Busan is 1,600/km 2  (4,200/sq mi) (2011) . Vladimir Panov is the mayor of Busan . The province of the city Busan is Razavi Khorasan . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Busan . Busan is the government of U.S. National Park Service . This city is named after Christopher Columbus . The land area of the city is 5.39 sq mi (13.96 km 2 ) . (+20) 3 is the area code of Busan . The highest elevation of Busan is 424 m (1,391 ft) . The city water area is 6.286 sq mi (16.281 km 2 ) 29.82% . The city Busan demonym is Tianjinese , Tianjiner . The city has the postal code 9XXXXXX . The urban region is 1,407.2 sq mi (3,645 sq km) in area . Busan is located in Zimbabwe . The density of  people in  the metro region of Busan is 1,352.5/km 2  (3,527/sq mi) . Busan has 1,042,641 population . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Busan . The Busan citys' lowest elevation is 380 m 
Highest point is 49 m above the lowest point of this city