The UIA World Congress of Architects 2026 (also referenced as UIA World Architecture Congress 2026) will take place in Barcelona from 28 June to 2 July 2026. It is convened by the International Union of Architects (UIA) and forms part of Barcelona’s UNESCO World Capital of Architecture 2026 programme. The congress focuses on the theme “Becoming. Architectures for a planet in transition”, bringing together practitioners, researchers, and students to explore architecture’s role in social and environmental transition.
