Migration problem is multidimensional: it represents a challenge from the perspective of the current political agenda, but also form perspective of a more theoretical nature. This complex issue provokes the following questions: what is a concrete society based upon, what makes its identity, is there such a basis at all, what is the meaning and justification of existence of borders in a current liberal state, what is connection between the migration and security issues, what is the meaning and value of a nation-state concept, but also what is the meaning of welfare state for migration, why are some societies more based on multicultural principles than others, etc.