What do Vienna hotels mainly check when they check in?

Identification, room registration, payment confirmation, etc.

Identification: Hotel staff will verify the identity information of the guests, including ID cards, passports and other valid documents, to ensure that there are no bad records or check-in restrictions.

Room registration: guests need to provide reservation information and make detailed registration, including check-in time, check-out time, room type and bed type.

Payment confirmation: guests need to provide payment methods and confirm payment, and complete hotel check-in procedures.