The requirements for documents needed at check-in depend on the type of accommodation and the applicable regulations. For hotels and other accommodation facilities, a Russian passport, an international passport, or a driver’s license may be accepted. For apartments, serviced apartments, and other properties where check-in or contract conclusion is carried out according to the rules of a specific property, the required documents are determined by the property itself. For an additional fee, the following can be arranged: Russian sauna, excursions, and master classes for children. To schedule these services, guests must contact the property in advance using the phone number provided in the booking confirmation.