Pyeongchang region was ruled by the
Goguryeo Dynasty during the
Three Kingdoms period, and it was called Uk-o-hyeon (욱오현).
 After the
Silla dynasty conquered the Goguryeo Dynasty and
Baekje Dynasty, it was renamed Baek-o-hyeon (백오현).
Goryeo Dynasty was established, it renamed Pyeongchang-hyeon. Then, it was under control of
 When a 10-provincial system was enforced, the north of Pyeongchang region was involved in Sakbang-do, and the south of the region was involved in Jungwon-do. When a new administrative system was carried out by King
Hyeonjong, the east of the region was involved in Dong-gyeo, and the rest of it was included in Yanggwang-do. An administrator for the region was sent from the central government, and it became independent of Wonju in 1299.
Joseon Dynasty was founded, the region was promoted from a
hyeon to a
 After the territory was divided into
8 Provinces under the reign of King
Taejong, it was involved in
 After the territory was divided into 23 districts in 1895 with the 8-provincial system abolished, it was included in Chugju-bu. When a 13-provincial system was enacted in 1896, it was involved in Gangwon-do.