The Vieux-Tours is a generic term to define a set of districts or towns which have come together over time to form the historic center of the city of Tours . The districts of Vieux-Tours are, from west to east: Notre-Dame-la-Riche, Saint-Martin, Saint-Julien, Saint-Gatien, Saint-Pierre-des-Corps .

• The Saint-Gatien district is the first town to be established, it corresponds to the city of late Antiquity of Caesarodunum  ; it will be the seat of political and episcopal power in the city.
• The neighborhood Saint-Martin is the second consists town, which owes its origin to the cult of St. Martin  : It will be at the v ^th  century the new city , the city of pilgrimage.
• The Saint-Julien district is the third town formed between the city – upstream  and the new city – downstream : the vi ^th  century xi ^th  century, the area sees the introduction of many religious buildings, including the Abbey of Saint-Julien .