Kuju Castle
Goryeo-era fortress in Kusong, North Korea
From Wikipedia, the free encyclopedia
The Kuju Castle (Korean: 구주성) is a military fortress[1] from the Goryeo period, located in Kusong, North Korea.
The fortress was the site of the defeat of the Khitan invasion in 1018 under the command of Kang Kam-ch'an.[1] The site is number 60 on the list of National Treasure of North Korea.