The Palais du Luxembourg is a historic palace located in the 6th arrondissement of Paris, France. Built in the early 17th century for Marie de' Medici, the widow of King Henry IV, it now houses the French Senate. The palace is known for its beautiful gardens, which are open to the public and feature fountains, statues, and a variety of flowers. The architecture of the Palais du Luxembourg reflects the Renaissance style, with its grand façade and elegant interiors. The surrounding Luxembourg Gardens are a popular spot for both locals and tourists, offering a peaceful retreat in the heart of the city.