1. Euro (EUR): Used in the European Union member state of Spain.
2. Peso (ARS, COP, MXN, etc.): This is a common currency name across many Latin American countries, with variations in its abbreviation depending on the country. For example, Argentina uses the Argentine Peso (ARS), Colombia uses the Colombian Peso (COP), and Mexico uses the Mexican Peso (MXN).
3. Bolivar (VEF): Used in Venezuela, though the Venezuelan Bolivar has experienced significant economic challenges in recent years.
It's important to remember that there are many other currencies used throughout Spanish-speaking countries, each with its own unique symbol and exchange rate.