Europe and North America have the longest history of modern nationalism. Boundaries and political activities of European nation-states have left their impress upon European cultural regions. To treat these aspects of the cultural regions as a part of a regional geography of Europe, a method which combines the method of political geography with that of social geography may be suitable. As a few examples of such a method, approaches used in Schöller's “Die rhelnisch-westfälische Grenze zwischen Ruhr and Ebbegebirge”, in Huttenlocher's “Die ehemalige Territorien des Deutschen Reichs in ihrer kulturlandschaftlichen Bedeutung” and in Cohen and Rosenthal's “A geograpical model for political systems analysis” are examined. As a part of materials for such a regional geography, documents and statistics published and accumlated by the offices of European Communities will be useful.