Olivet is a commune in the department of Loiret, north-central France. Olivet is located in the northern bend of the Loire, which crosses fro…Olivet is a commune in the department of Loiret, north-central France. Olivet is located in the northern bend of the Loire, which crosses from east to west. Olivet belongs to the Loire Valley sector between Sully-sur-Loire and Chalonnes-sur-Loire, which was in 2000 inscribed by UNESCO as a World Heritage Site.