Yanbian Korean Autonomous Prefectureball

Yanbianball is an autonomous prefectureball of Jilinball,  Chinaball. Some call him West Koreaball.

History
Yanbainball was born as a 1ball, first adopted by Buyeoball. Later, Northern Okjeoball, Goguryeoball, and Balhaeball.

After Liaoball invaded Balhaeball, It became a Chinese prefecture.

Today, It is part of Jilinball of Chinaball.