It was renamed the ancient capital of Goryeong Gaya in the Gaya period, the Geoyeolseong of Baekje in the Three Kingdoms period, and Geoyeolju, Cheongju, and Gangju in the Unified Silla period, It was first renamed Jinju in the 23rd year of King Taejo (940) of Goryeo, and in the 2nd year of King Seongjong (983), it became Jinju Tree, one of the 12 trees in the country.

In the 33rd year of King Gojong's reign (1896), Jinju became a part of Gyeongsangnam-do It became the location of the provincial government, and the observer resided in Jinju, and became the center of Gyeongnam administration.

On January 1, 1995, Jinju-si and Jinyang-gun were abolished, respectively, and an integrated Jinju-si was established in accordance with the Act on the Establishment of Cities in the Urban-Rural Complex Type.

After being confirmed as an innovative city in the Gyeongnam area on October 31, 2005, the "Gyeongnam Jinju Innovation City" was completed on December 31, 2015, and 10 public institutions other than the Korea Land and Housing Corporation are moving, developing into a central city in the southern part of the country.