Everything was as described. Communication with Katka was swift and efficient.
The check-in process involved retrieving the key from a key box in the foyer a nearby bank branch; after business hours you have to swipe a card to get into the foyer.
The apartment is located on the 6th and top floor of a house in Malá Strana, a historic neighborhood, close to the river and the castle district, but it's a residential area and does not have a lot of tourists.
From the slanted windows you have impressive views over the city. To the left you can see as far as the castle.
The bedroom is oriented towards the inner courtyard, and it is really quiet there, making for a good night's sleep.