The currency in Portugal is the euro, which makes it a very worry-free destination for many other Europeans to visit when it comes to money matters (it is the currency of 13 European countries, used by 315 million people).
What do the colors of the flag mean? What do the colors of the flag mean? According to custom and tradition, white signifies purity and innocence; red, hardiness and valor; and blue signifies vigilance, perseverance, and justice. Ask the Flag Expert a Question. View more flag questions.
The colors of the flag have symbolic meanings behind them. Red represents fire, aggression, and blood. Black represents the infinite, the mysterious, the unified, and the definitive. Green represents fertility, productivity, and prosperity. Since the flag was created, many African nations have adopted its colors as symbols of their sovereignty.