The châteaux of the Loire Valley number more than 300. They represent a nation of builders starting with the necessary castle fortifications in the 10th century to the splendor of those built a thousand years later. When the French kings began constructing their huge châteaux there, the nobility, not wanting or even daring to be far from the seat of power, followed suit. Their presence in the lush, fertile valley with its moderate climate, began attracting the very best landscape designers. Before long, and to this day, the valley of the Loire is known as the "Garden of France".