In 108 B.C. Emperor Wu of the Han Dynasty conquered the area under Youqu (右渠), a grandson of Wei Man. The Emperor set up Lelang, Lintun, Xuantu and Zhenfan commanderies in the Korean Peninsula. Lelang was located in northwestern Korea and consisted of 11 prefectures. Its capital was put near P'yŏngyang. (Rangrang 樂浪/락랑 is a district in central P'yŏngyang today.) After Emperor Wu's death, Zhenfan and Lintun were abolished and Xuantu was moved to Liaodong. Some prefectures of the abolished commanderies were incorporated in ...

See also:

Lelang Commandery, Lelang Commandery - History

Read more here: » Lelang Commandery: Encyclopedia II - Lelang Commandery - History