The Euro is the official currency of 19 of the 28 member states of the European Union. It is used by over 320 million Europeans as their primary currency.
In terms of investing and financial markets, the Euro is one of the world's most important currencies. It is used to facilitate international transactions and provides a basis for pricing of assets across the European Union. It is also used as a benchmark for pricing of assets in other countries. As a result, investors and traders can hedge their investments and hedge their exposure to currency exchange-rate risk. Additionally, the Euro is an important part of the world financial system, providing stability to global markets and making it easier for investors to diversify their portfolios.