Enköping is a locality and the seat of Enköping Municipality, Uppsala County, Sweden with 30,000 inhabitants in 2018. Geography. Enköping is situated near Lake Mälaren, about 78 km west of Stockholm. A comparably large number of Swedish cities are located in the vicinity of Enköping. The municipal slogan is therefore "Sweden's Closest City". This expression was created in 1965 when it was discovered by a local business that within a radius of 120 kilometers, one finds 38 Swedish cities and a third of Sweden's population. History.
https://en.wikipedia.org/wiki/Enk%C3%B6ping