The article focuses on brownfields and historical dimension of their creating. The aim of the article is show, which factors influenced the formation of brownfields using the example of specific. Problems of brownfields will be analysed using the example several Czech regions which characterised strong position of heavy industry. The main method using in the article will be content analysis and comparative method. Specifics of economic and political development in Czechoslovakia and Czech Republic created different condition for regeneration of brownfields in comparison with Western countries.