1. Introduction: Territorial change at the local level 2. Mapping the intensity of municipal amalgamations 3. Institutional rules for territorial change 4. Where do municipal mergers occur? 5. Municipal splits in Central and Eastern Europe after 1990: Tightening rules 6. Discourses of territorial reforms 7. Patterns of conflicts 8. Coupling territorial reform with other reforms: do amalgamations lead to further decentralisation? 9. Evaluation of territorial reforms 10. Territorial reforms in Europe: What have we learned?