The Historic Centre of Guimarães and Couros Zone is distinguished in particular for the integrity of its historically authentic building stock. While there have been some changes during the modern era, the Historic Centre of Guimarães and Couros Zone have maintained their medieval urban layout. AuthenticityThe Historic Centre of Guimarães and Couros Zone is authentic in terms of its location and setting, forms and designs, and materials and substances. Protection and management requirementsThe Historic Centre of Guimarães and Couros Zone is subject to several legal provisions regarding the protection of historic buildings, including Law No. Whilst norms for the protection of the historic centre exist and a designation as National Monument is about to be approved for the Historic Centre of Guimarães and the Couros Zone, these have not been established for the buffer zone.