The Hiroshima Workers' Vocational Welfare Center Hiroshima Sunplaza is a multifunctional facility completed in 1985, designed by the renowned Kume Architectural Office. Located in the Shogiko Center district of Nishi Ward, this versatile complex serves as an indoor sports facility, accommodation center, and social education venue. The building exemplifies the architectural design philosophy of the 1980s, combining practical functionality with thoughtful spatial planning. Its integrated approach to worker welfare and community services makes it a notable example of institutional architecture from Japan's period of economic expansion and social infrastructure development.