Local currency is required for purchases and incidental expenses. ATMs provide the easiest and most affordable access to Euros. Be confident that you know your pin number. ATMs, are available 24 hours. There are many exchange offices for converting dollars or travelers checks, but rates are often poor, fees high, and opening hours limited. Master Card and Visa credit cards are widely accepted.
Keep spare coins available for pay toilets. Take advantage of the free facilities before you leave restaurants, museums, etc.