Claim: Changyon County is bordered to the north by Kwail and Songhwa and to the east by Samchon and Taetan and most of the land is flat plains with mountains forming its borders.
Evidence: Changyŏn is bordered to the north by Kwail and Songhwa, to the east by Samch'ŏn and T'aet'an, to the south by Ryongyŏn, and to the west by the Yellow Sea. Most of the land in Changyŏn is composed of flat plains, with mountains forming its borders.