Not knowing Vienna we first thought Christiana's place might be a little far from the things we wanted to see. We were so wrong. Her place is in a great neighborhood that's very walkable and close to the must see attractions. Also, the tram line is literally outside of her front door which takes you almost anywhere you want to go. The subway is a short walk away. Vienna's public transit is efficient, clean and easy to use. We had zero issues getting around quickly.
Christiana's apartment is cozy and includes all the amenities we wanted for a week long stay. Communication was a breeze and she suggested some great places to eat and visit. We had a great time in Vienna and highly recommend staying with Christiana.