This study investigates the implementation of cross-border cooperation projects by municipalities with a prefectural boundary. Our research clarified that there are cross-border cooperation projects in various fields in Japan, and specifically, the tourism field had the most projects. These projects can be categorized into two types. The first involves cooperation between neighboring municipalities, and the second involves cooperation between remote municipalities. Our research clarified that the former makes up approximately 80% of the projects, while the latter makes up approximately 20% of the projects.
