The purpose of this thesis is to analyze the legal, trade and economic aspects of the eu and serbia relations. the paper consists of four sections. the first sector begins with the review of serbian path to the eu accession including the saa. moreover, it describes an historical background of the relation since 1992 until 2011 and is connected with the second chapter through the instrument for pre-accession assistance (ipa) which is the eu support given to serbia to face the challenges of the eu integration. the second section analyzes serbia's relation with the eu within its trade integration effort. it starts with the general knowledge of serbian foreign trade and trade liberalization along with the country's membership within the central european free trade agreement (cefta). then there is the legal part explaining serbian trade provisions according to the saa and interim agreement on trade and domestic legal framework for trade as well. in addition, this section briefly gives note about serbia's participation in the programme of the eu named customs 2013 and at the end gives complete data on serbia foreign trade with the world and with the two most important trading partners (eu and cefta).the third section refers to serbia's environment relating to the fdi attraction. its aim is to describe investment climate, basic macroeconomic indicators, and characteristics of economic sectors, business environment, as well as tax regime and legal framework for fdi. it proceeds to statistical data with fdi performance in serbia for the period 2000-2010 emphasizing on the process of privatization and greenfield investments. later on, it underlines the benefits and costs of fdi for the country.from the trade and investment aspects, section four deals with the economic relations between greece as one of the eu countries and serbia presenting data for the last three years. I find it proper to deepen my reference on this subject for two reasons. one reason is that this is the final paper of my master studies at the university of macedonia, thessaloniki greece where I fulfilled my knowledge in economics of see. another reason is that i wanted to emphasize on developed and still improving economic relations between greece and my country of origin serbia, even though greece is now in a very crucial situation due to its financial problems. finally, personal conclusions will be given.