The regionalism is an important phenomenon for modern Europe. It is the phenomenon has some types to one of which was the devolution. The term was assigned to Great Britain after reform on decentralization of the end of the XX century. Wales as one of three reformed regions of this country, received an autonomy and own parliament (National Assembly for Wales). Since 1997 there is a difficult system of the relations between the different centers of the power: Cardiff, London and Brussels.

regionalism, devolution, Wales, Great Britain, European Union, National Assembly for Wales