The opening event of CASA 15, an international design competition for students of architecture, was held this year at the Faculty of Technology of the University of Debrecen. The participants, around two hundred second-year students of architecture from three different countries, were instructed to design a residential building with community functions located on a specific site in Debrecen. The host institution, the Department of Architecture of the University of Debrecen, was represented by as many as sixty students partaking in the competition.