Nationality and autonomous community of Spain Catalonia is an autonomous community of Spain, designated as a nationality by its Statute of Autonomy. Its territory is situated on the northeast of the Iberian Peninsula, to the south of the Pyrenees mountain range. Catalonia is administratively divided into four provinces or eight vegueries (regions), which are in turn divided into 43 comarques. The capital and largest city, Barcelona, is the second-most populous municipality in Spain and the fifth-most populous urban area in the European Union. 414,111 views on October 1, 2017 — Wikipedia's most-read article that day. Also most read: Hugh Hefner, Puerto Rico, O. J. Simpson, 2017 Catalan independence referendum. Wiki link