“A euro” is the correct one. The rule for using “a” or “an” is based on pronunciation, not spelling. Since “euro” begins with a consonant sound (it is pronounced “youroh”), we use the indefinite article “a”.
“A euro” is the correct one. The rule for using a or an is based on pronunciation, not spelling. Since “euro” begins with a consonant sound (it sounds like “youroh”), we use the indefinite article “a”.
You can buy it for a euro.
You can buy it for an euro.
Another example:
What can I buy with a euro in Portugal?
Follow the same strategy when using the word euro as an adjective (e.g., a euro area, a euro account, a euro coin, etc.).
This article provides an overview of the situation from a euro area perspective.
You need to open a euro account with a digital bank.
A partial list of words that also begin with “eu” but take the article "a":
