I highly recommend this place. Certainly it is not located in the city center but it's not too far (<30min by local subway called "tunnelbana").
Ulrike is very kind and she cares about her guests. She has welcomed us to the subway stop and taken us by car to her home (appreciated with the lugguages), there is Wi-Fi, a great breakfast with everything you need in the kitchen and lots of local tourism leaflets to be borrowed. Plus Ulrike has good advices for you (commutation from the airport, tourism spots...).