The presented summary of „the second world war and its influence on the new European geopolitical organization“ describes the main results of the second world war and its influence on the new world organization and new changes of the world international system and relations. The main target is the description of the new situation and next changes by the influence of the results of the second world war. The new changes will concern of Europe. The summary will describe new changes in the international relations and diplomacy too. As the main method will be used the description and analysis, which will be studied from these chosen points. Czech and foreign sources connected with this theme are used in the article. The presented summary of „the second world war and its influence on the new European geopolitical organization“ describes the main results of the second world war and its influence on the new world organization and new changes of the world international system and relations. The main target is the description of the new situation and next changes by the influence of the results of the second world war. The new changes will concern of Europe. The summary will describe new changes in the international relations and diplomacy too. As the main method will be used the description and analysis, which will be studied from these chosen points. Czech and foreign sources connected with this theme are used in the article.