The History
- Gaya Period
- Year 42 King Ijinashi found Daegaya
- Year 562 Merged into Shilla in the 23rd year of King Jinheung and remained as Daegaya-gun
- Unified Silla Period
- Year 757 Rename as Goryeong-gun in the 16th year of King Gyeongdeok and belonged to Gangju current Jinju) (Have Yaro County current Hapcheon Yaro) as the spirit of departed There are Sinbok County (current Ugok-Myeon area)
- Goryeo Period
- Year 1018 Goyang-gun was remained as Yeongcheon county at the 9th year of King Hyeonjong Subordinated to Gyeongsan-bu (current Sungju) Yaro County moved to Hapcheon-gun
- Year 1175 Created local officials in the 5th year of King Myeongjong
- Joseon Period
- Year 1413 Created county officials in the 13th year of King Taejong
- Year 1895 After revising the local government organization in the 32 year of King Gojong, remained Goryeong county as Goryeong-gun
- Year 1906 Absorbed 9 bangs of Seongju-gun and 3 bangs of Hyeongpung-gun in the 10th year of Gojong Gwangmy so it became 26 bangs
- Year 1914
- Year 1914 Due to the rearrangement of gun and Myeon, there's 9 Myeon
- Year 1930
- Year 1930 Ssangdong-Myeon and Imcheon-Myeon merged and became Ssangnim-Myeon so there's only 8 Myeons
- Year 1979
- Year 1979 The status of Goryeong-Myeon became eup, so there are currently 1 eup and 7 Myeons
- Year 2015
- Year 2015 The Name of Goryeong-eup was changed Daegaya-eup