The Loire Valley is a northern French wine region that follows the eponymous river for just over 170 miles, from the port city of Nantes and Pays Nantais in the west to the town of Sancerre in the east. Often seen as the spiritual home of the Sauvignon Blanc grape, over half the wines produced from the Loire are white, with Sancerre Blanc and Pouilly Fumé being popular and well-known styles.