Lenka is very kind and incredibly friendly. She told us about the history of her house and I feel honored to have stayed in such a building. Lenka also arranged cabs for my friend and I respectively to the airport and the train station and even gave us some snacks! The actual apartment is very nice. It is very clean and spacious. You can never find a better location than Lenka's apartment in Prague. It is 2 mins away from Charles bridge (and by extension, another 3 mins from Old Town and all that), and it is right at the foot of the path that leads to Prague Castle. It is also only a short walk away from the park where Petrin Tower is, which I highly recommend going. The cafe in the courtyard is also cool and lively. I highly recommend anyone visiting Prague staying here. I for one would definitively come back if I visit Prague again.