Vietnam uses the dong as its currency. Currently, the exchange rate for don to US dollar is 21220.00 dong to $1.
Canada uses canadian dollars and has french as one of it's official languages.
Bangkok currently uses the Euro as their official currency.
The country that uses the forint as its currency is Hungary.
Ecuador is the only Spanish-speaking country that uses the American dollar as its official currency.
France uses the Euro as currency.
It's the official currency of Panama, and of course of Puerto Rico.
The official currency of the Russian Federation is the Russian ruble. It is the only country that currently uses this form.
China is the country that uses yuan currency.
Switzerland uses Swiss francs as their official currency, not euros.
Canada
Éire is the official name of Ireland in the Irish language. It has not used the punt as its currency since the introduction of the Euro in 2002.