The Ardfert Cathedral is a ruined cathedral in Ardfert, County Kerry, Ireland. Dedicated to Saint Brendan, it was the seat of the Diocese of Ardfert from 1117. It is now a heritage tourism site.
Wikipedia https://en.wikipedia.org/wiki/Ardfert_Cathedral
Address The Village, Ardfert V92 KR7P, Ireland
Coordinates 52°19'43.315" N -9°46'54.119" E