Besides Castilian Spanish (the country's official language), Catalan/Valencian (Catalonia, Valencia and the Balearic Islands), Aranese (Catalonia), Galician (Spain) and Basque (Basque Country) are also official in some regions.
Religion
Predominantly Catholic.
Capital
Madrid (5.8 million inhabitants in the metropolitan area.)
Government
Constitutional monarchy.
Administrative division
The country is organised into 17 autonomous communities.