Reasons given for this include: Some nation states which have historically had a strong centralized administration have transferred political power to the regions.
Some other states have traditionally had strong regions, such as the Federal Republic of Germany or the autonomous communities of Spain; yet others have been structured on the basis of national and municipal government with little in between.
During the United Kingdom's membership of the EU, the term 'region' also included England, Scotland, Wales and Northern Ireland which are formally referred to as countries by the British government.
Apart from playing a key role as the regions' political voice on the European stage, AER is a forum for interregional cooperation in numerous areas of regional competence, including economic development, social policy, public health, culture, education and youth.
CEMR works to promote a united Europe that is based on local and regional self-government and democracy.