If you want to drive with an Irish driving license outside Ireland, check worldwide guidelines

https://irishdrivinglicensejmro902.greyhavendaily.com/posts/why-adding-driving-licence-in-the-republic-of-ireland-to-your-life-can-make-all-the-a-difference

If you wish to drive with an Irish driving license outside Ireland, check international guidelines. Some nations might need permits or license translations for visitors.