This book offers a substantial and up-dated discussion and presentation of the new European frontiers related to complex and controversial social and spatial (re)integration issues in multicultural and border regions. It represents an inter-disciplinary endeavour from human geographers, social and political scientists, and linguists to understand and interpret the current developments of the European unity in diversity paradigm, based on simultaneous and continuous processes of social and spatial convergence and divergence, changing territorialities and identities, particularly in the wider...