The eurozone is facing turbulent times as support for populist, nationalist, and anti-EU political parties has risen, and core aspects of European integration have come under attack.

The political make-up of many countries are changing, while the relationship between members states and with Russia remains complex and in need of reform.

Although most eurozone members are still from western Europe, its expansion into Scandinavia and central Europe in recent years has brought a need to balance differing economic strengths, which has in turn caused a crisis of confidence in the future of the single currency.