European Union is a political and economic union of 27 European Countries. The population in EU now could be as many as 440 million. Now there are 23 official languages spoken in European Union.
IU offers courses of 15 out of the 23 languages. Here is the list.
13 in regular semesters,
2 regularly in summer,
On CeLT language Asset Repository, you could find other 7 languages.
The other two are: Maltese, Slovak