The Fortress Again

Namhansanseong Fortress

Namhansanseong-myeon, Gwangju-si, Gyeonggi-do

Multiple episodes — War refuge

The UNESCO World Heritage mountain fortress south of Seoul, used for the siege and wartime refuge sequences. In history and in the drama, it was where Joseon's court fled during the Manchu invasion. [VERIFIED — sources: discoverasianworld.com (Namhansanseong Fortress confirmed among My Dearest's historical filming locations, used to depict wartime siege scenes — moderate confidence)]