This reports is an independent evaluation of the Alvar Aalto Route – 20th Century Architecture and Design for the certification cycle 2024-2025. This is a certified Cultural Route of the Council of Europe that connects destinations linked to the architectural and design legacy of Finnish architect Alvar Aalto. Alvar Aalto (1898– 1976) is renowned for his human-centric design, which harmonized functionalism with natural and cultural sensitivity. His works represent iconic contributions to modernist architecture and Scandinavian design. Overall, the Alvar Aalto Route has made significant progress since the last evaluation and successfully integrates cultural heritage, sustainable tourism, and modern innovation, ensuring that Aalto’s legacy remains a vibrant and influential force in contemporary architecture and design. Through collaboration, expansion, and education, the route exemplifies the values of the Council of Europe and contributes meaningfully to European cultural heritage.