Goguryeo

Ancient Korean kingdom (c.37 BC–AD 668)

Goguryeo also later known as Goryeo, was a Korean kingdom which was located on the northern and central parts of the Korean Peninsula and the southern and central parts of modern-day Northeast China (Manchuria). At its peak of power, Goguryeo conquered most of the Korean Peninsula and large parts of Manchuria, along with parts of eastern Mongolia, Inner Mongolia, and modern-day Russia.

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