What do Donggang, Liaoning and Tumen, Jilin have in common?
Donggang, Liaoning Donggang () is a city in the southeast of Liaoning Province in Northeast China. Situated on the coast of the Yellow Sea at the mouth of the Yalu River, it is located near the maritime border with North Korea. Administratively, it is a county-level city of Dandong, which lies 35 km to the northeast.
Hoeryong Hoeryŏng (] ) is a city in North Hamgyŏng Province, North Korea. It is located opposite Jilin Province, China, with the Tumen River in between. Sanhe (三合鎮), in Longjing City, is the closest Chinese town across the river. Hoeryŏng is claimed to be the birthplace of Kim Il Sung's first wife and Kim Jong Il's mother, Kim Jong Suk. It was known as "Kainei" during Japanese rule.