North Korea

Chungbong, North Hwanghae → Chungbong, South Hamgyong → Chungbonggol, P’yongan-bukto → Chungbongyangsu, North Hamgyong → Chungbu, South Pyongan → Chungbugŭn, North Hamgyong → Chungbugŭn, South Pyongan → Chungbuk-tong, North Hwanghae → Chungbung-ni, South Hamgyong → Chungch’ŏn, Kangwon-do → Chungch’am, Chagang → Chungch’am, P’yongan-bukto → Chungch’am, South Pyongan → Chungch’angp’yŏng, Yanggang-do → Chungch’il-li, Pyongyang → Chungch’il-tong, North Hamgyong → Chungch’il-tong, South Hwanghae → Chungch’o-ri, P’yongan-bukto → Chungch’o-ri, Yanggang-do → Chungch’ŏl-li, Kangwon-do →