A former seigneurial church with a rich history, discover the Saint-Ythier church, named after a former bishop of Nevers, from the 16th century. Probably the work of Maximilian de Béthune - 1st duke of the castle of Sully - located previously in the forecourt of the medieval fortress of Sully, follow the guided tours of the association Culture et Patrimoine in the Sullias which will tell you the exceptional history.
Admire the stained glass windows from the end of the 16th century, one representing the Tree of Jessé and the other one of the many anecdotes of the pilgrimage of Santiago de Compostela: a real artistic treasure.