Taxation through its impact on entrepreneurial activity, the attraction of Foreign Direct Investments, as well as disposable income and savings can be a crucial factor for economic growth. In this context, the paper examines the role of taxation as a determinant of macroeconomic stabilization in the geopolitical area of South-Eastern Europe, thus the area of Europe, which was affected in a great extent by the global financial crisis with a time lag (3rd Quarter 2008). The analysis will be based on the presentation of the current institutional tax framework prevailing in South-Eastern European Countries and focusing on the countries of the last and upcoming European Enlargement (Bulgaria, Croatia). The conceptual analysis will be accompanied...