Cakehouse Wien is a bakery selling bread and cakes, located in front of the crosswalk across from the Cheongdam-dong Catholic Church in Gangnam-gu, Seoul. Its signature item is tongpatppang, and it also sells cheese baguette and monaka ice cream. It is a neighborhood bakery that has stayed in Cheongdam-dong for a long time. It is not the place to look for bread made in a new, current style.