Birgit's description is accurate, and her helpfulness excellent. We loved staying here, walking all over the city, and trying the döner kebap just down the street. We walked through the Tiergarten on our way to and from the big city attractions, and were grateful for the retreat Birgit's place offered us afterwards.
The apartment windows open into a courtyard, which gives a sense of being in a neighborhood. Neighbors are respectful about the noise level, although an American next door woke me up when he shouted-in English!-"be quiet, we're trying to sleep!" in the night.