Sudong County is a county in South Hamgyŏng province, North Korea. It was formed from part of Kowŏn County in December 1990.[2]
Sudong is the site of a major coal seam first discovered in 1918.[3] The P'yŏngra Line of the Korean State Railway passes through the district.
Sudong is divided into 6 dong (neighbourhoods) and 14 ri (villages):
Sudong-gu has a trolleybus line opened in 1979 running within this district,[4] linking residential areas to Kowon mine.[5] The line opened in 1979, with a number of second hand Chollima 9.11 trolleybuses used to serve the line initially.[6] The line appears to no longer have any trolleybuses.
Kowon Tangwang Line runs to this district from Tunjon station, serving the colliery.[7]