I had a very comfortable stay in Ambra's place, where I spent 3 nights.
First, it locates in one of the best neighbourhoods in Berlin, in terms of transportation and nice shops & restaurants. There is also a supermarket nearby.
Not only well decorated, but also has a very functional interior design, which provides a cozy and comfortable accommodation. Useful kitchen with all amenities inside. Ambra's place is perfectly clean.
She is kind and friendly, it is easy to communicate with her.
I strongly recommend her place to Berlin visitors.