Chateau Mercian represents a contemporary approach to wine facility design in Japan's renowned Yamanashi Prefecture. Completed in 2010 by architect Mikio Kinoshita and Workshop, this multifunctional complex seamlessly integrates production, retail, and recreational spaces. Located in the picturesque Katsunuma wine region, the facility serves as both a working winery with factory and storage areas and a public destination featuring commercial retail and park amenities. The design exemplifies modern Japanese architectural practice in balancing industrial function with visitor experience, making it a significant example of heritage-minded contemporary development in Japan's wine country.