This book maps out, from a variety of theoretical standpoints, the challenges generated by European integration and EU citizenship for community membership, belonging and polity-making beyond the state. It does so by focusing on three main issues of relevance for how EU citizenship has developed and its capacity to challenge state sovereignty and authority as the main loci of creating and delivering rights and protection. First, it looks at the relationship between citizenship of the Union and European identity and assesses how immigration and access to nationality in the Member States impact...