Loire Loire Valley is often divided into three sections. The Upper Loire includes the Sauvignon blanc dominated areas of Sancerre and Pouilly-Fumé. The Middle Loire is dominated by more Chenin blanc and Cabernet franc wines found in the regions around Touraine, Saumur, Chinon and Vouvray. The Lower Loire that leads to the mouth of the river's entrance to the Atlantic goes through the Muscadet region which is dominated by wines of the Melon de Bourgogne grape. Spread out across the Loire Valley are 87 appellation under the AOC, VDQS and Vin de Pays systems. There are two generic designation that can
Loire Nevers, La Charité-sur-Loire, Cosne-Cours-sur-Loire, Cher: Sancerre, Loiret: Briare, Gien, Orléans, Loir-et-Cher: Blois, Indre-et-Loire: Amboise, Tours, Maine-et-Loire: Montsoreau, Saumur, Loire-Atlantique: Ancenis, Nantes, Saint-Nazaire. The Loire Valley in the Loire river basin, is a stretch in the western reach of the river starting with Orléans and terminating at Nantes, short of the Loire estuary and the Atlantic Ocean. The tidal stretch of the river extends to a length of and a width of , which has oil refineries, the port of Saint-Nazaire and of wetland whose formation is dated to 7500 BC (caused by inundation by sea waters on the northern bank