Which city is the centre of the Lorie valley and its magnificent chateaux?

The city that serves as the center of the Loire Valley and its magnificent châteaux is Amboise. This historic town is well-known for the Château d'Amboise, a royal residence that played a significant role in French history. The Loire Valley, often referred to as the "Garden of France," is dotted with numerous stunning châteaux, making Amboise a popular destination for visitors exploring this picturesque region.