The Goblin's Sad Fate

Unhyeongung Yanggwan (Western House)

114-10 Unni-dong, Jongno-gu, Seoul

Ep. 1, 3 — Meeting scene

The mansion shared by the Goblin and the Grim Reaper. This is the Western House (Yanggwan) behind Unhyeongung Palace, on the Duksung Women's University Jongno campus — a designated cultural property, so only the exterior can be viewed. [VERIFIED — sources: creatrip.com/en/blog/756 ; pheurontay.com/drama-goblin-filming-locations/]