coins
The banknotes and coins are issued jointly by all the central banks of the euro area; in Belgium’s case, that task falls to the National Bank. Banknotes and coins denominated in euro were first placed in circulation on 1 January 2002. 

 
Euro banknotes
The seven euro banknotes are identical in all euro area countries.
Euro coins
The eight euro coins can be used anywhere, throughout the euro area countries.
Counterfeiting
Through the permanent control of the quality of the circulation, it is possible to intercept rapidly any counterfeiting.
Training programmes for professionals
Exchange of euro banknotes and coins
You are welcome at the counters of the National Bank in Brussels and at the branches of Antwerp, Hasselt, Courtrai, Liège and Mons for the exchange of your euro banknotes and coins.
A brief history of the euro
The euro appeared in the pockets of residents of the euro area on 1 January 2002. This was the culmination of a process which began with the European unification movement.
Euro foreign exchange reference rates