[3] Hoeryŏng was one of the six posts/garrisons (Chosŏngŭl: 육진, Hanja: 六鎭) established under the order of Sejong the Great of Joseon (1418 - 1450) to safeguard his people from the potentially hostile semi-nomadic Jurchens living north of the Yalu river.

[4] In early May 2007, the newly appointed Prime Minister Kim Yong-il visited Hoeryŏng.

Hoeryŏng-si is divided into 19 tong (neighbourhoods) and 28 ri (villages): Hoeryŏng's main industries are mining machines and a paper mill.

As punishment, authorities from the Civilian Defence ordered non-attendees to pay KP₩5,000, however this fine was largely ignored.

[6] On 29 August 2016, as the result of Typhoon Lionrock, the Tumen River flooded, making many of the residents homeless and causing substantial property damage.