In Kozelsk, a hotel must provide a specific number of upscale amenities to earn 5 stars. These can include on-site gyms, gourmet restaurants, saunas and spas, complimentary luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their superior service. You can look forward to things like nightly turn-down services, concierge services and in-room massages. Some may even offer special touches like welcome gifts.