Saint Aubert of Avranches was a 7th-century bishop known for his role in the establishment of the abbey on the island of Mont Saint-Michel in Normandy, France. He is often credited with the vision that led to the construction of the abbey, which became a significant pilgrimage site and a symbol of medieval architecture. Aubert's life is marked by his dedication to the Christian faith and his efforts to spread Christianity in the region. He is venerated as a saint in the Catholic Church, and his feast day is celebrated on May 8. His legacy continues to influence the cultural and religious landscape of Normandy.