| Three Han States |
Belonged to Byeonhan. |
| Three Kingdoms |
Belonged to Geochilsanguk daejueng-hyeon. |
| Unified Silla |
Belonged to the hyeon(village) under the Dongpyeong-hyeon, Dongnae-gun. |
| Goryeo Dynasty |
Belonged to the hyeon(village) under the Yangju-gun. |
| Joseon Dynasty |
Belonged to Dong-myeon and Namcheon-myeon. |
| 1914 |
Reorganization of the administrative districts, belonged to Seoha- myeon and Yougju-myeon, Dongnae-gun. |
| April 1, 1936 |
The first expansion of the administrative district of Busan, belonged to a Branch Office of Busan-Jin. |
| October 1, 1942 |
Suyeong, Dongnae-gun and part of Haeundae were incorporated into Busan-bu, established Suyeong Branch Office. |
| August 15, 1949 |
Bu System abolished, renamed as Busan City. |
| September 10, 1953 |
Established Daeyeon Branch Office, Busan City. |
| January 1, 1957 |
Introduced Gu System, Reorganized Daeyeon branch office (6 dongs), Busanjin-gu and Suyeong Branch Office (3 dongs), Dongnae-gu. |
| January 1963 |
Busan City was under Jichalsi(Direct Control City) of the Government (6Gu and 7 Branch Offices) |
| October 1, 1975 |
Elevated to Nam-gu (10 dongs) |
| May 1, 1988 |
The local government system was introduced (for 11 districts) |
| January 1, 1995 |
Busan was renamed as Busan Metroplitan City (15 Gu and 1 Gun) |
| March 1, 1995 |
Suyeong-gu was separated from Nam-gu |
