The Euro (EUR) is the official currency of the Eurozone, which includes 19 of the 27 European Union countries. It was introduced in 1999 and has become one of the most traded currencies in the world. The exchange rate between the Euro and the US Dollar (USD) fluctuates based on various economic factors, including interest rates, inflation, and political stability. The US Dollar is the official currency of the United States and is widely used as a global reserve currency. The value of the Euro compared to the US Dollar can impact international trade, travel costs, and investment decisions. Understanding this exchange rate is essential for businesses and travelers engaging in cross-border transactions.