Terre-de-Haut is a commune in the French overseas department of Guadeloupe, including Terre-de-Haut Island and a few other small un…Terre-de-Haut is a commune in the French overseas department of Guadeloupe, including Terre-de-Haut Island and a few other small uninhabited islands of the archipelago. It is the most populous island of the archipelago of Les Saintes. The Fort Napoléon is located in this commune.