Belgium is a state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, as well as those of several other major international organizations such as NATO.
No doubt, if you're traveling to Brussels, you'll want to know what the Belgium currency is. Quite simply, it's the Euro and quite easy to make the switch from dollars, pounds and other international currencies.
Theft and pick pocketing is a problem in crowded areas. Be extra vigilant in Brussels and Antwerp at major railway stations, on the underground, buses and trams, particularly late at night.