The European Currency Unit (EUR) is the official currency of the European Union and is used for all transactions within the EU. The EUR is a key currency for international investors, as it is an important benchmark for global financial markets. The EUR is used to set the price of stocks, bonds, commodities, and other investments, as well as to price goods and services in Europe. It is also used as a hedge against currency fluctuations and is widely accepted as a safe haven currency. The EUR is also used as a reserve currency by many central banks around the world. By investing in the EUR, investors can gain exposure to the world's second largest economy and benefit from its stability.