Cheongdam-dong (Korean: 청담동) is a ward of Gangnam District in Seoul, South Korea. The area is best known in South Korea as an affluent neighborhood populated by a disproportionately high number of high-income individuals and for having some of the most expensive real estate in the country. It is known as an upmarket shopping area, with the main shopping street dubbed Cheongdam Fashion Street. Along with Apgujeong's Rodeo Street in Apgujeong-dong and Garosu-gil in Sinsa-dong, which are connected by the main Apgujeong-ro, they are seen as fashionable and trendsetting destinations.

Gangnam District is one of the 25 districts of Seoul, South Korea. The term Gangnam translates to "South of the [Han] River". Gangnam District is the third largest district in Seoul, with an area of 39.5 km2 (15.3 sq mi). As of the 2017 census, Gangnam District had a population of 561,052. There is a high concentration of wealth in the district, with prices for an apartment as of 2020 nearly double those in the rest of Seoul. Gangnam District is part of Gangnam School District Eight, along with the Seocho District. This district shares half of Gangnam-daero Gangnam Station area with Seocho District, which is one of the most crowded places in South Korea.