The currency in Spain is the Euro.
Bills: €5, €10, €20, €50, €100, €200, €500
Coins : 1c, 2c, 5c, 10c, 20c, 50c, €1, €2


Tipping is not common and duty in Spain. But If you want tipping for the most common travel situations;
For taxi drivers, most locals consider that a proper tipping is to leave 10 to 20 cents.
In restaurant, In Spain waiters get a relatively decent salary, the tipping etiquette says that a tip is considered always a reward for good service, if the food is bad or the waiter is no tip. But if you are happy with the service, the usual tips range between 7 and 10%.