This volume explains the national and regional border modifications that took place in Europe from 1870 to 2020. It provides insights that allow us to understand boundary changes for several different levels of territorial organization. The text describes the state formation process related to the regional-administrative structures in each European country, and offers insight into the degree of centralization historically by describing the extent of legislative autonomy at different administrative levels and the competences reserved for each of them. The book sheds light on the complex...