Hampyeong belonged to Jin during the prehistoric age and Mahan during the Three Hans period. Mahan consisted of 54 small countries, and some dolmens and jar coffins indicate that there were 1 to 2 small countries in Hampyeong scattered in the area, but it has not been confirmed.
The Hampyeong-gun area included two hyeons - Gulnae-hyeon and Daji-hyeon - during the Baekje era. Among these, Gulnae-hyeon is present day Hampyeong-eup, Sonbul-myeon, Singwang-myeon and Daedong-myeon, and it was called Hampyeong-hyeon during Silla and Goryeo. Daji-hyeon is present day Nasan-myeon, Haebo-myeon and Weolya-myeon, and it was called Daji-hyeon during Silla and Mopyeong-hyeon during Goryeo. It belonged to Muan and Yeonggwang-gun, and Yeongpunghyang and Dagyeongbugok have been special administrative areas since the Baekje era.
Hampung-hyeon and Mopyeong-hyeon were incorporated into Hampyeong-hyeon in 1409 (the 9th year of King Taejong during Joseon), and at that time, the Hampyeong-hyeon area consisted of 14 myeons including Donghyeonnae-myeon, Seohyeonnae-myeon, Yeongpung-myeon, Haeje-myeon, Dagyeong-myeon, Daedong-myeon, Sonbul-myeon, Singwang-myeon, Pyeongneung-myeon, Sikji-myeon, Haebo-myeon, Weolak-myeon, Modong-myeon and Daeya-myeon.
When Hampung-hyeon and Mopyeong-hyeon were integrated, Hampyeong was created.
May 26, 1895 Hampyeong-hyeon was renamed Hampyeong-gun according to Order No. 98 issued. - Nov. 1, 1932 When Sikji-myeon and Pyeongreung-myeon were integrated, Nasan-myeon was created, increasing the number of myeons to 9.
- Jan. 1, 1963 When Hampyeong-myeon was elevated to an eup, the area had 1 eup and 8 myeons.
- Jul. 1, 1973 4 ris including Sangok, Weolsong, Geumgok and Baekho in Hakgyo-myeon were integrated into Daedong-myeon.
- Dec. 23, 1986 Executive Order 12017 issued
- Jan. 1, 1987 Part of Seongnam-ri, Hampyeong-eup and Hakgyo-myeon Crossings were integrated into Eomda-myeon.
Until now, no remains or relics from the Old Stone Age or New Stone Age have been found in the Hampyeong area. However, as a result of analysis on the pollen of rice plants in humus soil in a branch stream of the Yeongsan River in Dasi-myeon, Naju-gun bordering Hampyeong, it has been found that the production of rice dates back to 3,000 BP (BC 1,050), and a survey on the area preservation status found that the area was destroyed or developed by human beings from 4000 years ago.
In this regard, it is assumed that human beings lived in the Hampyeong area during the New Stone Age in addition to the Old Stone Age and that there must be relics and remains, which have not yet been found.
