The Palais de l'Isle is a historic building located in Annecy, France. It is situated on an island in the Thiou River and dates back to the 12th century. Originally built as a fortress, it has served various purposes over the centuries, including a prison and a courthouse. Its distinctive architecture features a triangular shape and a charming façade, making it one of the most photographed landmarks in the region. Today, the Palais de l'Isle houses a museum that showcases the history and culture of Annecy. Visitors can explore its exhibits, which include artifacts and displays related to the city's past. The building's picturesque setting and rich history attract tourists and locals alike, contributing to its status as a symbol of the city.