Yes, US citizens need a visa to travel to Ireland.
Yes, as a US citizen, you do not need a visa to travel to Ireland for stays of up to 90 days.
Yes, travelers from the USA need a visa to visit Ireland.
Yes a visa is required.
Yes, you may need a visa to travel to Ireland depending on your nationality. It is recommended to check with the Irish embassy or consulate in your country to determine if you need a visa for your trip.
No
yes there are no borders between northern and southern ireland
It depends on your nationality (the passport you hold).
It depends on where you are coming from As Northern Ireland is part of the UK you will need the same Visa that you would need to enter any other part of the UK. If you are a UK citizen you do not need one
It can depend on where you come from. Different countries have different arrangements. However, generally the visa system used for Ireland does not entitle you to go to Britain. A separate visa would be required.
Fijian citizens can visit Ireland visa-free for 3 months.
With a UK visa, you can travel to the United Kingdom, which includes England, Scotland, Wales, and Northern Ireland.