[6] The designation includes the archaeological remains of three fortress-cities: Wunü Mountain City, Gungnae and Hwando, and forty identified tombs of Goguryeo imperial and noble families.

For this reason, the remains of North Korea and the People's Republic of China were registered in the form of simultaneous registration in 2004.

[6] The capital cities of the Goguryeo represent a perfect blending of human creation and nature whether with the rocks or with forests and rivers.

[6] The site includes archaeological remains of 40 tombs which were built by Goguryeo, which ruled over parts of northeast China and the northern half of the Korean Peninsula.

[6] Some of the tombs have elaborate ceilings designed to roof wide spaces without columns and carry the heavy load of a stone or earth tumulus (mound) was placed above them.