Main article: Autonomous communities of Spain, provinces of Spain, History of the territorial organization of Spain and Annex: Capital of the regions (Spain)
SPAIN ‘Autonomous Communities
Bay of Biscay
Spain is a nation organized territorially into 17 autonomous communities and 2 autonomous cities. Title VIII of the Constitution, the territorial organization of state municipalities, provinces and autonomous regions, with these skills to manage their own interests with a large degree of autonomy, legislative, budgetary, administrative and executive powers in the exclusive state guaranteed through the Constitution and every statute of autonomy. Although Navarre is not constituted as autonomous communities, with a Navarre, and not having developed a Statute of Autonomy, but articulating amejoramiento one of their traditional jurisdictions, autonomous community is considered for all purposes, as interpreted by the Constitutional Court.
Each Autonomous Community is formed by one or more provinces, making a total of 50.
Since 2003 has adopted the Nomenclature of Territorial Units for Statistics or NUTS units, three levels, based on purely statistical and European standards set by the Eurostat. The 50 Spanish provinces and two autonomous cities are classified at the NUTS-3, the 17 autonomous regions are classified at the NUTS-2 and the NUTS-1 levels have been set up groups of autonomous communities.