The aim of the book is to evaluate International business of Slovak Republic. For this subject was chosen Slovakia country. Theoretical part of the book deals with theoretical concepts as international trade in general, trade policy of European Union, theories of international trade, advantages and disadvantages of international trade, foreign investment, types of trades and international organizations - WTO and OPEC. In order to achieve the main purpose of this research the objective methods were used. The author has defined Slovakia, its economy, GDP, international trade and so on by using several methods. Final part deals with characteristics of Slovakia as a country, its international trade between 2007-2017, the impact of the euro on international trade and also calculation of transformation power.