Regionalisation refers to the tendency to form regions or the process of doing so.
See also: Regionalism (disambiguation)
In geography, the process of delineating the Earth into regions.
In globalization discourse, a world that becomes less interconnected, with a stronger regional focus.
In politics, the process of dividing a political entity or country into smaller jurisdictions (administrative divisions or subnational units) and transferring power from the central government to the regions; the opposite of unitarisation. See regionalism.