History
- Jan. 1, 2010Daebo-myeon renamed Homigot-myeon
- Jan. 1, 2009Small administrative districts integrated(1 si, 2 gu, 4 eup, 10myeon, 15 dong, 1branch office)
- Dec. 26, 2006Moved into the new building in Daejam-dong
- Sept. 1, 1998Unification of Gwaso-dong (1 si, 2 gus, 4 eups, 10 myeons, 19 dongs, 1 branch office)
- Jan. 1, 1995Starts as united Pohang-si (1 si, 2 gus, 4 eups, 10 myeons, 25 dongs, 1 branch office)
- Apr. 1, 1986Daebo, Gibuk branch office promoted to myeon (1 si, 4 eups, 10 myeons, 1 branch office)
- Sept. 1, 1982Separation of Haedo 1/2 dong, Sangdae 1/2 dong
- Dec. 1, 1980Yeonil, Ocheon-myeon promoted to eups (1 si, 4 eups, 8 myeons, 3 branch offices)
- Jul. 1, 1973Uichang-myeon promoted to Uichang-eup (1 si, 2 eups, 10 myeons, 3 branch offices)
- Mar. 1, 1967Establishment of Gibuk branch office of Gigye-myeon
- Dec. 29, 1957Abolition of Daljeon-myeon, incorporated into Heunghae/Yeonil (1 si, 1 eup, 11 myeons)
- Jul. 8, 1956Heunghae, Gokgang-myeon incorporated into Uichang-myeon (1 si, 1 eup, 12 myeons)
- Aug. 15, 1949Pohang-eup promoted to Pohang-si (1 si, 1 eup, 13 myeons, 1 branch office)
- Dec. 10, 1942Changju-myeon promoted to Guryongpo-eup (2 eups, 13 myeons)
- Dec. 1, 1938Hyeongsan-myeon incorporated into Pohang-eup (1 eup, 14 myeons)
- Apr. 1, 1934Jukbuk.Juknam-myeon unified as Jukjang-myeon, Janggi. Bongsan-myeon unified as Jihaeng-myeon (1 eup, 15 myeons)
- Apr. 1, 1931Pohang-myeon promoted to Pohang-eup (1 eup, 17 myeons)
- Mar. 1, 1914Four counties(Heunghae, Janggi, Yeongil, and Cheongha) merged into Yeongil-gun(18 myeons)
- Aug. 4, 1896Four counties, Heunghae, Cheongha, Yeonil, and Janggi were established due to the practice of 13-Do system
- Goryeo PeriodRenamed Heunghae-gun, Janggi-hyeon, Yeongil-hyeon, and Cheongha-hyeon
- Silla PeriodToehwa-hyeon, Jidap-hyeon, Geunoji-hyeon, and Haeah-hyeon
