Hwanghak-dong Flea Market is a market located in the neighborhood of Hwanghak-dong, Jung-gu, Seoul, South Korea to sell second-hand goods. It has over 500 shops and stalls near Dongdaemun Market supplying a wide range of used products such as electronic appliances, clothes, and other items. The market is also called Dokkaebi Market (Korean: 도깨비시장, lit. "Goblin Market"). It is located behind Samil Apartment and Cheonggyecheon.