High Quality Content by WIKIPEDIA articles! Saint-Arnoult is a commune in the Loir-et-Cher department of central France. Loir-et-Cher is a department in north-central France named after the rivers Loir and Cher.Loir-et-Cher is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from parts of the former provinces of Orléanais and Touraine.Loir-et-Cher is part of the modern region of Centre. Adjacent departments are Eure-et-Loir to the north, Loiret to the north-east, Cher to the south-east, Indre to the south, Indre-et-Loire to the south-west, and Sarthe to the west.