4 day tour recommendation

First day

1) Shinchon  - Yonsei university & Ewha women's university & Hongik university
                    ⇒ experience university culture and university students life

2) Gwangjang market (Korea traditional market)
                    ⇒ try krorean traditional street food



Second day

1) Buckchon Hanok village & Samchengdong
                    ⇒ a serene and atmoshperic old street where you can visit traditional houses or "hanok"



2) Gyeongbok gung palace & Gwanghwamun gate&plaza
                    ⇒ The chandging of the Guards Ceremony

3) Myeongdong
                    ⇒ street venders, shopping malls and cosmetics  stores

 4) Seoul tower (Namsan tower)
                   ⇒ get in a cable car, go up to the observatory and enjoy the night view

Third day

1) Paju - Demilitarized zome (DMZ,) North Korean Invasion Tunnel (The Third Underground Tunnel) & Dora Observatory
                    ⇒ see the truce line and North Korea

2) Insadong & Cheounggue stream
                    ⇒ interesting billboard, the Ssamziegil mall, art galleries and museums

Last day

1) Garosugil
      ⇒ one part of Gangnam that Psy mentioned in his song

2) Seorae village
                    ⇒ cafe street

3) Seoul express bus terminal shopping mall
                    ⇒ underground shopping center that has pretty yet cheap clothes