This article analyses inter-regional colloboration between Latin America and European Union (EU) in order to find out the processes of regional integration to international extent. Basic reasons of inter-regional collaboration between EU and Latin America which are related with social inequality and destitution, shortfall of democracy and growth of Latin America’s economical potential as well as appearance of various new markets are excluded in this text. EU encourages economical, social and institutional integration which is associated with regionalization processes in the area of Latin America. Inter-regional collaboration happens through international organizations such as Rio group, MERCOSUR, UNASUR, CAN. This article deals with general aims of inter-regional collaboration, various branches of it and relations between EU and Latin America in regional, sub-regional and bilateral level which are intermingled among themselves.