Yes, you'll find most hotel bookings are refundable if you cancel before the accommodation's cancellation deadline, which in most cases is within 24 or 48 hours of your check-in date. If you have a non-refundable reservation, you might be able to still cancel and receive a refund within 24 hours of booking. Add your dates and click on "Search", then you can use the "fully refundable" filter to review the best deals near Serpa Square.