The density of  inhabitents in Busan is 850/km 2  (2,200/sq mi) . The Busan citys' lowest elevation is 1,750 m . Busan is at an elevation of 5 m . The city Busan demonym is Delhiite . Busan is the government of Parks Canada . Busan has Population: 2,698,077  population . The density of  residents in  the metro region of Busan is 2,813/km 2  (7,290/sq mi) . The population of the metro region is 1,013,389 . The city Busan province is Gauteng . Tomas Osmena is the mayor of Busan . The city has the postal code 1100 . The area of the urban region is 14.0 sq mi (36 km 2 ) . The Busan city highest elevation is 14,110 ft (4,300 m) . Busan is located in United Kingdom . Busan is named for Calgary, Mull . The coordinates of the city are 25°00′40″N 121°26′45″E﻿ / ﻿25.01111°N 121.44583°E .  The city area code is 71 . On September 20, 1917 the city was incorporated
PS use 1100 to post mail in the city