The theme selected for the research is of paramount importance, given the current processes taking place within the EaP states. Need to study democratization, administrative capacity and prospects of European integration in EaP countries are caused by three factors: relevance of implementation of European integration policy within the EaP; democratization issue and „state capture” in some countries of the EaP; the possibility of reforming public institutions under the influence of European integration on administrative capacity for achieve the objectives of the study used case studies.