Namsan Outdoor Botanical Garden opened its doors on February 18, 1997 in Hannam-dong, where the residential complex for foreigners once stood before it was demolished in 1994. Covering an area of around 59 ㎡, it is divided into 13 themed gardens with a total 117,132 plants from 269 species. Among this diversity, 60,912 plants from 129 species are tree types and 56,220 plants from 140 species are grass types.