The main aims of this subject are:

To get knowledge about the role of the regions in the European Union.

To get to know the main ways of participation of the regions in the EU: External participation: regional representation in the European Union;  Internal participation: Ascending phase. Participation in the national position on EU affairs; Internal participation: Descending phase.  The implementation of Union law by the regions.

Considering the variety of regions in the EU, the subject will be centered in the Spanish and teh German case.

It will also focus in the constitutional mechanisms for the enforcement of EU law by the regions.