Dongnyeong Prefectures

Dongnyeong Prefectures were administrative divisions of the Mongol-led Yuan dynasty of China located in the northwest Korean Peninsula between 1259 and 1290.

[1] In October 1269, Choe Tan (Korean: 최탄; Hanja: 崔坦), Han Sin (한신; 韓慎), Yi Yeon-nyeong (이연령; 李延齡), Gye Mun-bi (계문비; 桂文庇) and Hyeon Hyo-cheol (현효철; 玄孝哲) rose in rebellion in order to exclude Im Yeon (임연; 林衍), Military Leader of Goryeo, and surrendered to Yuan dynasty with 60 prefectures and cities in northwest part of Goryeo.

Jabi Pass (자비령; 慈悲嶺) as a border belonged to Liaoyang ministry nominated Choe Tan as a commander.

In the end of Yuan dynasty, it suddenly appeared in Goryeosa.

And the other was that Donggyeong prefecture was abolished in 1290,[10][11] but reestablished in Yuan dynasty in the period of confusion.