Yes, most hotel reservations are fully refundable if cancelled prior to the accommodation's cancellation deadline, which often is within 24-48 hours of check in. If you have a reservation that's non-refundable, you may still be able to cancel and get a refund within 24 hours of your booking. Plug in your dates, click on "Search", then you can filter by "fully refundable" to view the best options available near Monument to Peter the Great.