The study of transformation processes in the Central and Eastern European countries, which pass from one to another economic system is a relatively new, multi-layered research problem. Theoretical concepts about their nature and the knowledge and experience for analysis, interpretation and evaluation of transformations have not been sufficiently completed till now. This research is based on the first comprehensive geographical research in Bulgaria "Socio-economic transformation in Bulgaria - peculiarities and territorial differences" (2012). It is updated to 2012 and supplemented with new...