St. Cronan's Church - Credit: Wikimedia Commons
St. Cronan's Church is a 10th-century Church of Ireland church in Tuamgraney, County Clare, Ireland. It is the oldest church in continuous use in Ireland. The Tuamgraney parish operates as a unit with the Mountshannon parish in the Killaloe Union of parishes in the Diocese of Tuam, Limerick and Killaloe. Read more on Wikipedia
Source: en.wikipedia.org