Sankumi-zaka Flat is a contemporary residential complex located in Bunkyo Ward, Tokyo, completed in 2019. Designed by architect Hiroyuki Ito and Ayako Uehara of Ito Hiroyuki Architects, this project represents a thoughtful approach to urban living. The building demonstrates careful consideration of its neighborhood context while incorporating modern design principles. The architects have created a residential environment that balances functionality with aesthetic appeal, making it a notable example of early 21st-century Japanese residential architecture. This project showcases how contemporary design can enhance urban residential spaces.