dA Group Urban Design & Architecture Co., Ltd., established in 2001 in South Korea, focuses on large-scale urban architecture and design projects. With headquarters located in Gangnam-gu, Seoul, the firm is known for its innovative approach to urban planning, integrating architectural design with the surrounding urban landscape. dA Group has been involved in various projects, from residential complexes and department stores to cultural institutions like the Chungnam Museum of Art, often incorporating sustainable and eco-friendly design principles.