You, as a foreign national, can fall into any one of these 3 categories, for your right to visit the country. This depends upon your country of origin.
- No Ireland tourist visa Required
- No Ireland tourist visa Required but subject to border control
- Both Ireland tourist visa and border control are Required
Note: A visa allows you to travel to Ireland only. It does not permit you to enter the country or to stay here. An immigration officer at border control can refuse your entry even if you have a visa