Period of Three Han States
Included in the territory of Byeonahn.

Gaya Period
Included in the territory of Geumgwan Gaya

Period of Three States
Included in the territory of Silla during the reign of King Jijeung(500-514)

Period of United Silla
Included in Sapryangju in 665 (5th year of King Munmu's reign)
Included in Yangju in 757 (16th year of King Gyeongdeok's reign)

Goryeo Period
Included in Yangju in 940 (23rd year of King Taejo's reign)
Included in Yangju-gun, Gyeongju-mok in 983 (2nd year of King Seongjong's reign)
Included in Yangju-gun, Gyeongsang-do in 1022 (13th year of King Hyeonjong's reign)

Joseon Period
Included in Hadongbang and Jwaejeonbang, Yangsan-gun, Gyeongsang-do in 1413 (13th year of King Taejong's reign)
Included in Yangsan-gun, Gyeongsangjwa-do in 1520 (15th year of King Jungjong's reign)
Included in Jwaemyeon, Yangsan-gun, Gyeongsang-do in 1603 (36th year of King Seonjo's reign)(Gongchang-ri, Dongwon-ri, Daecheon-ri, Waseok-ri, Yongdang-ri, Sujeong-ri, Sanyang-ri, Saryang-ri, Namchang-ri, Soyo-ri, Yudo-ri). Mandeok-ri was included in Seo-myeon, Dongraebu.
Included in Jwaemyeon, Yangsan-gun, Gyeongsang-do in 1840 (16th year of King Yeongjo's reign)
Included in Jwaemyeon, Dongraebu, Gyeongsang-do in 1869 (6th year of King Gojong's reign)
Included in Jwaemyeon, Yangsan-gun, Gyeongsang-do in 1875 (12th year of King Gojong's reign)
Included in Jwaemyeon, Busanbu, Gyeongsangnam-do in 1869 (33rd year of King Gojong's reign)
Included in Jwaemyeon, Yangsan-gun, Gyeongsangnam-do in 1897 (34th year of King Gojong's reign)

During Japanese Imperialism
Included in Jwaemyeon, Busanbu, Gyeongsangnam-do in 1910 (Mandeok-ri was included in Seoha-myeon, Dongrae-gun)
Included in Gupo-eup, Dongrae-gun, Gyeongsangnam-do in 1943
Included in Gupo-myeon, Dongrae-gun, Gyeongsangnam-do in 1914 (Mandeok-ri included) (Gopo-ri, Deokcheon-ri, Mandeok-ri, Geumgok-ri, Hwamyeong-ri, Geumseong-ri)

After establishment of the government of Republic of Korea
Included in Gupo-eup, Dongrae-gun, Gyeongsangnam-do

Since being included in the jurisdiction of Busan
Jan. 1, 1963 Gopo branch office of Busanjin-gu, Busan
Aug. 30, 1975 Buk-gu branch office under the direct control of Busan established (Gupo and Sasang area)
Feb. 15, 1978 Buk-gu of Busan under the direct control of central government established (included Dajeo-eup, Garak-myeon and Myeongji-myeon of Gimhae-gun)
May 1, 1983 Separated Gangseo branch office under the direct control of Busan
May 1, 1988 Established the local authority
Jan. 1, 1989 Gangseo-gu was separated.
Jan. 1, 1995 Buk-gu, Busan Metropolitan City was established.
Mar. 1, 1995 Sasang-gu was separated.