Using an example of the Czech Republic, this explorative study attempts to answer the question of what factors have a significant influence on a successful regeneration of brownfields in a post-socialistic space. The study is based on a comparative analysis of two data files – the database of existing brownfields provided by the national CzechInvest agency, and the database of successfully regenerated brownfields compiled by the authors themselves. The paper consists of three interrelated parts, the first one dealing with an analysis of the structure of regenerated brownfields, the second one confronting this with the structure of the existing brownfields by means of a comparative analysis, and the third one analyzing the factors of brownfield regeneration. The main types of functional transformation of space were identified and the factors that appeared to be significant determinants of brownfields regeneration were classified as the result
