There are many public and privately-owned art galleries within a 3km radius of Gyeongbokgung Place. Bukchon Hanok Village is a good starting point, it is a residential area with hilly landscape and beautiful street. Also, You can walk past many galleries like MMCA Seoul through Samcheong-ro.
2. Public Art
Public Art is everywhere in Seoul, in the doorways of buildings, on the pedestrian walking plains and on the side of the buildings.
The famous architecture is the Dongdaemon Deisign Plaza, it acts as a recognizable meeting point for Koreans and tourists.