The regional scale is an intermediate level of analysis that falls between the local and global scales.
It typically encompasses a group of states, provinces, or other subnational units within a country or a region of the world.
The regional scale allows for the examination of patterns and Processes that occur across a larger area than the Local scale but are not as broad as those at the Global scale.
Examples of regional-scale phenomena include regional economic disparities, patterns of migration, and the distribution of natural resources.