Dandong (simplified Chinese: 丹东; traditional Chinese: 丹東; pinyin: Dāndōng, Wade-Giles: Tan-Tung) is a city in the Liaoning province, China. It is on the border between China and North Korea, marked by the Yalu River. Also at this point, the river flows into Korea Bay. The size of the administrative city is 14,910 square kilometers; the urban city is 563 square kilometers in size and has 643,000 inhabitants. The administrative city covers around 2.4 million inhabitants as of 2001. The city was previously known as Andong.