• 112 – general emergency number, the operator will switch you to the appropriate services
• 997 – Police
• 998 – Fire Department
• 999 – the Ambulance

It is also a good idea to put in your phone the number of the person that should be contacted in case of emergency – save it as ICE (as for „In Case of Emergency”), so it would be easily reachable. It would also be wise to have noted the address of your country’s embassy or consulate and/or their phone number.