Hongwŏn County, also known as Hongwon-gun, is a county located in the South Hamgyŏng province of North Korea. The region is defined by its distinct geographical boundaries, situated between the mountains and the sea.
The county is flanked by the Sea of Japan to the south and the Hamgyŏng Mountains to the north. These natural features characterize the landscape of the area within the South Hamgyŏng province.