Knivsta is a locality and the seat of Knivsta Municipality, Uppsala County, Sweden with 20,133 inhabitants. It is known for being one of the safest areas in Sweden, consistently ranking among the top 5 safest municipalities (out of 290) for more than a decade. Geography. The town sits on the Stockholm-Uppsala railway 48 km north from Stockholm and 18 km south from Uppsala, and has a station in the heart of the town. History. There originally was a timber industry in Knivsta. At the location of the former sawmill, there are plans (as of 2007) to erect new apartment and business buildings.
https://en.wikipedia.org/wiki/Knivsta