the kingdom of spain euro info centre country profile june 2006 s full name reino de espaƱa capital city madrid 3 15 million population 44 official language spanish castellano in some autonomous communities catalan basque and galician are co currency since january 2002 religion roman catholic 94 muslims 1 other 5 area 504 782 sq km 195 000 square miles terrain large plateaus surrounded by rugged hills climate temperate sunny hot summers inland more moderate cloudy along coasts cold winters partly cool administrative divisions 50 provinces grouped into 17 2 enclave cities africa with a high degree autonomy local powers vary from one community to another weights measures metric time zone gmt plus hour except canary islands late march october daylight saving scheme is operation which two hours international dialling code 00 34 government juan carlos i was crowed king 1975 after forty years general franco dictatorship 1978 became constitutional monarchy parliament las cortes bicameral