Immigration documents in Ireland
There are three most important documents related to immigration and residency in Ireland:
Passport
A passport is an identity document that provides information about a specific person. In the context of immigration and residency, a passport proves that a person holds the citizenship of a certain country, Ireland for example.
Ireland's passport is considered to be one of the strongest in the world. It allows its holder to travel to almost any country in the world either visa-free or allowing to receive a visa on arrival.
Visa
The visa of Ireland is a document that allows a person who is not a resident of Ireland to enter the country. There are several types of visas, e.g. Transit visa, Tourist visa, etc. They are usually distinguished by the purpose, for which the applicant wishes to enter the country. There 18 major types of visa in Ireland.