Hotel Único Madrid is a boutique hotel situated in the upscale Salamanca district, close to the Madrid Royal Palace. It offers soundproof rooms with a blend of modern and classic designs. The rooms feature soundproof windows to provide a peaceful environment for guests. The hotel's courtyard garden is a tranquil oasis in the heart of the city, and guests can enjoy gourmet dining at the on-site restaurant. With its elegant atmosphere and soundproof rooms, Hotel Único Madrid is a perfect choice for a serene stay near the Royal Palace.