The euro is a shared currency used everywhere within the "Eurozone" countries. It doesn't belong to any specific one of them. Euro coins and bills are completely interchangeable no matter where you...
In Pamana, they are using Panamanian balboa (B) = 100 centesimos. And the official paper currency is the U.S. dollar, at the rate of B1 = US$1. The U.S dollar which is accepted everywhere.