Wallonia is one of the three Regions that make up the Federal Belgian State. Yet it is also an area for wich other authorities have certain competencies : The French and German-speaking Communities, the provinces, the communes and, of course, the Federal Authority. Public authorities in Wallonia clearly and concisely sets out these different levels of authority. This brochure also gives a new presentation of the divisions of responsability : for each area, from ’agriculture’ to ’youth’, Public authorities in Wallonia clearly identifies the competent authorities in each domain. The information is supplemented by a glossery, maps and references to relevant Internet sites. This document has been produced in a style that is accessible to a very broad audience.