# Euro

The euro (€) is the official currency of the eurozone, which comprises 19 of the 27 member states of the European Union (EU). It was established as a result of the Maastricht Treaty in 1992, and has since become one of the most significant currencies in the world.

## History

The introduction of the euro was a major step for European integration:  
- The euro was launched on January 1, 1999, as an electronic currency.
- Euro banknotes and coins entered into circulation on January 1, 2002.

## Currency Code

The currency code for the euro is EUR.

## Usage

### Countries Using the Euro  
The euro is used by 19 of the 27 EU member states, including:
- Germany
- France
- Italy
- Spain

### Exchange Rate

The euro is compared to various currencies in international exchange markets. Its value fluctuates based on economic conditions.

## Conclusion

The euro has played a crucial role in fostering economic stability and growth within Europe.