Legal tender
The Swiss franc is also the currency used for administrative and accounting purposes by most of the numerous international organisations that are headquartered in Switzerland.
Central Europe
Currently, the members of the Eurozone include Austria, Germany, Luxembourg, Slovakia, and Slovenia. Croatia, the Czech Republic, Hungary and Poland use their currencies (Croatian kuna, Czech koruna, Hungarian forint, Polish złoty), but are obliged to adopt the Euro. Switzerland uses its own currency, Swiss franc.