High Quality Content by WIKIPEDIA articles! Sailly is a commune in the Saône-et-Loire department in the region of Bourgogne in eastern France. Saône-et-Loire (Sona-et-Lêre in Arpitan language) is a French department, named after the Saône and the Loire rivers between which it lies.When it was formed during the French Revolution, as of March 4, 1790 in fulfillment of the law of December 22, 1789, the new department combined parts of the provinces of southern Burgundy and Bresse, uniting lands that had no previous common history nor political unity and which have no true geographical unity.