Alessandra Annoni is a researcher in International Law at the University of Catanzaro, Italy. She teaches Public International Law, Private International Law and a Jean Monnet Module on European Migration Law. Her research interests include International Humanitarian Law and Human Rights Law.  Serena Forlati is associate professor of International Law at the Law Faculty of the University of Ferrara, Italy. Her current research interests focus on public international law, especially international human rights and international dispute settlement.

• Preface 1. Staatsvolk and homogeneity: from Weimar to the Maastricht decision of the German Federal Constitutional Court and beyond, Holger Hestermeyer 2. Nationality as a human right, Serena Forlati 3. Statelessness in the context of state succession: an appraisal under international law, Francesco Costamagna 4. Nationality of individuals in public international law: a functional approach, Alice Sironi 5. Nationality and diplomatic protection: a reappraisal, Annemarieke Vermeer-Künzli 6. Nationality and freedom of movement, Francesca De Vittor 7. Nationality and political rights, Delia Rudan 8. Nationality and social rights, Alessandra Annoni 9. Determining the nationality of companies in ICSID arbitration, Giulia D’Agnone 10. Nationality and regional integration: the case of the European Union, Pierluigi Simone 11. The evolving role of nationality in private international law, Pietro Franzina 12. Conclusions, Francesco Salerno