Sumida Ward Government Building and Riverside Hall is a remarkable contemporary structure completed in 1990, designed by the renowned Kume Architects. Located at 1-23-20 Azumabashi in Tokyo's Sumida Ward, this distinctive building seamlessly integrates municipal administrative functions with a state-of-the-art performance venue. The architecture exemplifies 1990s Japanese modernism, featuring innovative design that harmonizes civic infrastructure with cultural spaces. The building's prominent position along the riverside creates a striking landmark that enhances the urban waterfront environment. With its dual purpose serving both governmental and cultural roles, this structure represents an important example of multifunctional public architecture in contemporary Tokyo.