The document provides logistical information for attendees of a professional development workshop in Vienna from December 11-13, 2019. It recommends the Courtyard Vienna Prater/Messe hotel and provides transportation details from Vienna International Airport and the main railway station. From the airport, attendees can take a train, bus, or taxi to the hotel, with the bus being the easiest option. From the main station, attendees can take the subway to the stop nearest the hotel.