We traveled a family of 5 (2 adult, 2 kids and a baby) for new years. The apartment is very, very centrally located which makes everything easy to begin with. The metro is a few steps away and can take you pretty much anywhere you want to go in minutes.
Karolina is super nice and very easy to communicate with. Everything went smoothly and the apartment was tidy, simple (welcome to Scandinavia) and just what we needed. Would definitely recommend it