I am  off to Prague  Vienna and Budapest  this week.Can anyone  advise on currency please?.I am  reluctant  to take much of these currencies but  unsure what to do .Any advice from anyone whose has been would be  appreciated. 

Thanks.

A great holiday! I did this trip some years ago and found everywhere took Euros, even the ice cream sellers. The only place that didn't was the castle in Budapest which had a change machine near the entrance.

Enjoy.

You might have found this out already via google.