Regionalism
Regionalism is a political, social, and economic process in which a geographic region seeks to advance its interests within a larger state or international framework. It can take the form of political devolution and regional autonomy, economic integration and development programs, and the cultivation of regional identity and culture. Regionalism may reflect governance needs (subnational authorities managing health, education, and transport); economic aims (coordinating infrastructure, trade, or industrial policy); or cultural-political assertion (language rights, heritage). It is distinct from nationalism in that it emphasizes regional diversity within a broader polity rather than a single national identity, but it can also challenge central authority or contribute to secessionist movements.
Historically, regionalism emerged with modernization, decentralization, and decolonization, and has expanded with globalization and the growth