The Royal Château de Blois, located in the department of Loir-et-Cher, is one of the renowned castles of the Loire Valley in France. It was the favored residence of French kings during the Renaissance, hosting monarchs such as Louis XII, François I, Henri II, François II, Charles IX, and Henri III. The château is remarkable for its architecture, representing different eras and styles, including medieval, Gothic, Renaissance, and classical. It comprises four distinct wings. The Château de Blois witnessed significant historical events, including the assassination of the Duke of Guise in 1588, a pivotal moment in the War of the Three Henrys. Open to the public, the château offers tours that allow visitors to explore its history, architecture, lavishly decorated rooms, and gardens. As one of the Châteaux of the Loire, it is part of a collection of renowned historical sites along the Loire Valley, drawing visitors from around the world for its cultural heritage and historical significance.