Canghai Commandery
The Canghai Commandery was an administrative division of the Chinese Han dynasty established by the Emperor Wu in 128 BCE. == History == The commandery covered an area in northern Korean peninsula to southern Manchuria. Nan Lü (Hanja: 南閭), who was a monarch of Dongye and a subject of Wiman Joseon, revolted against Ugeo of Gojoseon and then surrendered to the Han dynasty with 280,000 people.