The monastic community of Mount Athos is an Eastern Orthodox community of monks in Greece who hold the status of an autonomous region with its own sovereignty within Greece and the European Union, as well as the combined rights of a decentralized administration, a region and a municipality, with a territory encompassing the distal part of the Athos peninsula including Mount Athos. The bordering proximal part of the peninsula belongs to the regular Aristotelis community in Central Macedonia.

The euro is the official currency of 20 of the 27 member states of the European Union. This group of states is officially known as the euro area or, more commonly, the eurozone. The euro is divided into 100 euro cents.