摘要:THE MIGRATION PHENOMENON REPRESENTS A MAJOR CHALLENGE THAT THE EUROPEAN UNION MUST FACE NOWADAYS.THIS IS NOT A NEW ISSUE IN THE HISTORY OF THE EUROPEAN UNION, BUT IT IS CERTAINLY BECOMING MORE AND MORE COMPLEX.BEFORE BEING A STATE ISSUE, MIGRATION IS A MATTER THAT PRIMARILY CONCERNS HOST CITIES. THE LOCAL ADMINISTRATIONS ARE THE FIRST ONES TO FACE THE PROBLEMS RAISED BY THE INCOMING IMMIGRANTS.THEY ARE THE ONES TO TAKE THE FIRST MEASURES IN ORDER TO HELP THE PEOPLE ENTERING THEIR TERRITORY AND TO MANAGE THE SITUATION THAT THIS PHENOMENON IMPLIES.THE PRESENT ARTICLE INTENDS TO BE AN ANALYSIS OF THE CHALLENGES THAT LARGE EUROPEAN CITIES FACE IN MANAGING THE MIGRATION PHENOMENON.IT AIMS AT ANSWERING SOME IMPORTANT QUESTIONS SUCH AS: WHICH ARE THE TOOLS THE CITIES HAVE AT HAND IN ORDER TO DEAL WITH MIGRATION? HOW IS MIGRATION PERCEIVED BY THE INHABITANTS OF THE RECEIVING CITIES? HOW COULD IMMIGRANTS COHABITATE WITH THE LOCALS? WHICH ARE THE POSSIBLE ACTIONS THAT CITIES COULD UNDERTAKE IN ORDER TO FACILITATE THE INTEGRATION OF IMMIGRANTS? IN THE SAME TIME, ONE AIMS AT ANALYZING THE SOCIAL, CULTURAL, AND NOT LEAST, THE ECONOMIC CHALLENGES THAT EUROPEAN CITIES FACE IN THE MIGRATION PROBLEM.