It's possible that you heard the word "Hamlet" used in a specific context, but it's not a common term used in Ireland to describe a place.
Here are some possible interpretations:
* A misunderstanding: You may have heard the word used in a different context, perhaps relating to a specific location or a literary reference to Shakespeare's Hamlet.
* Local terminology: There might be a specific area in Ireland where "Hamlet" is used locally, but it's not widespread.
* A specific name: It's possible the word "Hamlet" is part of the name of a place in Ireland, but it's not a common descriptor.
If you can provide more context about where you encountered this term, I might be able to give you a more accurate answer.