Questions & Answers about Krónan er sterkari en í fyrra.
Krónan is króna with the definite article attached, so it means the króna.
In Icelandic, the definite article is usually added to the end of the noun instead of being a separate word like the in English.
- króna = a króna / króna
- krónan = the króna
So the sentence is talking about a specific currency: the króna.
Here króna refers to the currency, not a crown in the physical sense.
Icelandic króna can historically mean crown, but in modern everyday use it commonly means the Icelandic unit of money, just like krona/krone in other Nordic countries.
So in this sentence, Krónan means the Icelandic króna.