"10 ευρώ" refers to a denomination of currency in Greece, where the official currency is the Euro. The Euro is used by many countries in the European Union and is symbolized by "€". The 10-euro note is one of the smaller denominations, featuring a design that represents the architectural styles of Europe. The 10-euro note is easily recognizable due to its distinct color, which is predominantly red. It includes various security features, such as a watermark and a security thread, to prevent counterfeiting. This note is commonly used for everyday transactions, such as buying food or public transport tickets.