This is the 6579th most frequent French word.
irles
It seems "irles" is not a word in French. Could you mean something else?
Here, 'îles' is used as a noun referring to land masses surrounded by water.
Les îles dans l'océan sont magnifiques.
The islands in the ocean are magnificent.
In this sentence, 'îles' serves as the subject of the action implied in the verb 'visiterons', denoting locations.
Nous visiterons ces îles demain matin.
We will visit these islands tomorrow morning.
In this usage, 'îles' represents a classification assigned to regions by their geographical nature by explorers.