This paper deals with the issue of brownfields which are a timeless phenomenon associated with a number of undesirable effects that make the involvement of the public sector in order to eliminate them. At the highest level, these are central public administration bodies, at the level of mesoregions they are higher territorial self-governing units. These institutions declare their relationship to brownfields in their documents and other activities. The aim of the paper is to analyse the state of formal and practical involvement of these entities in the Czech Republic in order to solve problems follow form the existence of brownfields in their own territory. Fulfilment of the content of the paper is based on research of secondary sources and their analysis in relation to the defined topic of research. The results of the research show that there are quite significant differences in the approach to brownfields between the Czech regions which have implications for regional development and the usable potential of the given area.