During the Silla Period, the name of this area was Gujisan-bugok of Miryang-gun. By the time of the reign of Goryeo’s King Gongyang, it came to be incorporated into Hyeonpung-hyeon. During the Joseon Period, it was divided into Guji-myeon, Myodong-myeon, Sanjeon-myeon, and Oseol-myeon. In 1911, Guji-myeon was merged with Myodong-myeon, and Oseol-myeon was merged with Sanjeon-myeon. With the reshuffle of administrative units in 1914, Guji-myeon incorporated Osan-myeon. Guji-myeon is located in the southernmost part of Dalseong-gun. Its total area and population are 39.76km2 and 8,185 people, respectively (as of April 2017), and the Myeon Office is located in Chang-ri.

During the Silla Period, the name of this area was Gujisan-bugok of Miryang-gun. By the time of the reign of Goryeo’s King Gongyang, it came to be incorporated into Hyeonpung-hyeon. During the Joseon Period, it was divided into Guji-myeon, Myodong-myeon, Sanjeon-myeon, and Oseol-myeon. In 1911, Guji-myeon was merged with Myodong-myeon, and Oseol-myeon was merged with Sanjeon-myeon. With the reshuffle of administrative units in 1914, Guji-myeon incorporated Osan-myeon. Guji-myeon is located in the southernmost part of Dalseong-gun. Its total area and population are 39.76km2 and 8,185 people, respectively (as of April 2017), and the Myeon Office is located in Chang-ri.