If you want to drive with an Irish driving license outside Ireland, check international rules

https://driving-license-irelandtacr914.dovetailscope.com/posts/what-is-apply-for-irish-driving-licence-and-how-to-use-what-is-apply-for-irish-driving-licence-and-how-to-use

If you wish to drive with an Irish driving license outside Ireland, check worldwide rules. Some countries might need permits or license translations for visitors.