Within the new 'European state architecture', based on the policy of the Western countries that encourage transborder cooperation, the last decade of the second millennium was characterized by considerable 'mutations' in the countries of the former Eastern block. With a strong logistic and financial support, that European project was quickly accepted in the countries of Eastern and Central Europe. Linking of transborder regions by means of direct cooperation, leaning upon the legal framework that allows the official competence of local and regional authorities, with obeying of national laws is the basis and the main reason for acceptance of this European policy which precedes the real European integration. One of such regions, formed in the...