Currency: Euro (€)
Key phrase to learn: Dónde está la estación de metro más cercana? (Where is the nearest Metro station?)
Time difference: Madrid is 1 hour ahead of London
Average flight time: Two hours and 20 minutes
International phone code: 34
Pan-European emergency services number: 112
Public holidays: New Year’s Day (January 1), Epiphany (January 6), Maundy Thursday, Good Friday, Easter Sunday, Labour Day (May 1), Community Festival of Madrid (May 2), Feast of Saint Isidro (May 15), Corpus Christi, Assumption Day (August 15), Hispanic Day (October 12), Our Lady of Alumdena (November 9), Constitution Day (December 6), Immaculate Conception Day (December 8), Christmas Day (December 25).
Link to FCO travel advice: https://www.gov.uk/foreign-travel-advice/spain