In Serpukhov, a hotel needs to offer a specific amount of upscale amenities 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-centric service. You can expect things like in-room massages, nightly turn-down services and concierge services. Some may even offer thoughtful touches such as welcome gifts.