I've been searching everywhere trying to figure this out so maybe someone here can help.
Husband and I (fully vaccinated Americans) arrive in Dublin from the US on September 14th. We'll be touring around the Republic of Ireland for 12 days by car and then we'll drive across the border into Northern Ireland on September 26. We'll spend two nights in a hotel in Belfast and then drive back into the Republic of Ireland on September 28th and then fly back home from Dublin on the 30th.
The government info that I'm reading seem to say that if we haven't been out of the Common Travel Area (CTA), which includes United Kingdom, the Republic of Ireland, the Isle of Man, and the Channel Islands within the last 10 days we don't need to do any testing or anything. Since we'll already have been in the CTA for 12 days before we cross into NI, I think we'll be good to go, but opinions seem to vary on whether the CTA thing applies to people who aren't citizens of the CTA.
Anyone have any insight on this? I've read all the government info and I'm still not sure.