In Denu, a hotel is required to offer a certain level of upscale features to be rated 5 stars. These may include gourmet restaurants, saunas and spas, on-site gyms, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their guest-focused standard of service. You can expect things like in-room massages, concierge services and nightly turn-down services. Some may also offer special touches like a welcome gift.