This is the Stadsarkivet or Stockholm City Archives in Stockholm, Sweden. This City Archive is responsible for record keeping for matters in Stockholm.
“The City Archives is the repository for the City of Stockholm and Stockholm County. Here you can follow the Stockholm residents and the city’s development from medieval times until today, thanks to the archives of the population register, Planning, courts, schools, police, sports clubs, political parties and many other archives.
“Here you can get copies of certificates, estate inventories, doing genealogical investigations, obtaining information from social service archives and much more. The list can almost be endless. At the City Archives are archives for more than 5000 operations in Stockholm and the information is constantly updated.In the seven floors of Kungsklippan is currently has 8 mil documents.”