It was the ecclesiastical seat of the former Diocese of Eauze, which was merged into the Bishopric of Auch, probably in the 9th century. Eauze Cathedral is dedicated to Saint Luperculus, who is said to have been a bishop here in the 3rd century before being martyred.
Eauze Cathedral, which was once the seat of the Diocese of Eauze, became part of the Bishopric of Auch around the 9th century. The cathedral is dedicated to Saint Luperculus, who is believed to have been a bishop here in the 3rd century before being martyred.