Sainte-Vertu () is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. Geography The surrounding communes are Môlay, Poilly-sur-Serein and Aigremont. Sainte-Vertu is situated to the south-east of Auxerre which is the nearest large town. The village is traversed by the little Serein River. The Morvan natural park is approximately away. Local Politics In 2010 the mayor is Andre Oppendeau. Demography Recorded population peaked at 544 in 1821, but has fallen back steadily subsequently, the decline accelerating with the mechanisation of agriculture in the twentieth century. By 2005 the recorded population stood at just 104. See also Communes of the Yonne department References External links Sainte-Vertu en el sitio web del INSEE (en francés) Information on Sainte-Vertu (in French) Communes of Yonne