Blaye is located north of Bordeaux, on the eastern side of the Gironde estuary in Aquitaine, France. Blaye is a small river port town with a long history of strategic military significance. The Citadel of Blaye and the city walls, constructed around 1685, is a highlight of the town, and is listed as a UNESCO World Heritage Site. The red wines made in the nearby vineyards are another highlight of the area, and wine tastings are held inside the Citadel. Sightseeing in Blaye can be enjoyed by foot, with the 12th century medieval castle ruins, markets, and Fort Medoc on an island in the river as popular highlights of the town.